Best automatic drip irrigation kits according to redditors

Here's the album with descriptions.

Parts list:

1. Submersible aquarium pump. This way, I'm using electricity to pump water upwards, and don't need to elevate my water tank like in a Blumats system.
   
2. Pipe fitting to attach a manifold to the pump. I got one at my local hardware store, but I think this is the same thing.
   
3. 3/8" tubing to connect the pump to the manifold.
   
4. A kit with a bunch of 1/4" tubing to actually deliver water to the plants.. You could probably do it cheaper if you knew exactly which components you needed to buy, but I didn't so ¯\_(ツ)_/¯
   
5. Manifold.This takes the water that comes from my pump and splits it into up to 8 1/4" lines to deliver to plants.
   
6. 5-gallon bucket. I already had one for vacuuming up my water, but you can get one for like 5 bucks at Home Depot.
   
   Total cost: ~$60. Not having to pH, add nutes, add calmag, etc. individually to like 10 individual cans of water: priceless!
   

Here is the pump I’ve only been using it a few weeks so I can’t tell you anything about its longevity but I like it. You can set it to run for 1-99 seconds in intervals from 1hr to 30 days. Unfortunately that means a little math. For example I found with my setup it pumps 1 gallon in 540 seconds. So for 1/4gallon / day / each of 3 plants = 68 seconds of watering every 4 hours.

If you get it don’t use the clear tubing that comes with it. Get some proper black irrigation tubing so you don’t get stuff growing in the lines.

So I have one question: are you sure it's "servo-actuated" valves or just solenoid valves?

If you're concerned with just on/off, I use solenoid valves all the time. You're really looking for low flow rates for the houseplate irrigation system, so it will be cheap too. Amazon example.

If you're actually concerned with the RATE of flow that servo valves would give you, I'd recommend that you either control the flow from the pump (modulate frequency), or use rate limiters specific to each plant. Like this will limit it to 1 gallon/hr.

[Upgraded] Automatic Drip... https://www.amazon.com/dp/B07P9ZH7PQ?ref=ppx_pop_mob_ap_share

I used Blumats with a 35gallon Rubbermaid reservoir when I was out of town for 2 weeks. Since the blumats only use gravity I didn’t risk the chance of a power outage. I would do a test run to make sure how much water you need. I’ve also run out of water before with tragic results.

Blumat Medium Box Kit - Automatic Irrigation for Up To 12 Plants

https://www.amazon.com/dp/B008PXHY3A/ref=cm_sw_r_cp_api_girfAbM3N6FR5

The blumats have a 30gal resevoir with a pH controller. This has basically cut my weekly work in half. I just top off the res every couple weeks.

That's a 3x3 tray, so that leaves 6 inches on all sides for some pavers to hold up those shelves. I use a transfer pump and wand to feed from 5gal buckets and then pump the runoff out of the tray back into a bucket for reuse outside for my strawberries.

Edit: Here's what it looks like from above

Skip this. It is going to fugg up on you and you wont be able to fix it. You got a few things to automate. It aint so hard. Most of it you need anyhow. Last item is the most computer automation you need.

1. Lights- easy they are on a simple mechanical timer. 12/12, 18/6, 24/0 are common settings.
   
   
2. Water- I use a rainbird drip irrigation.
   . Simple to set water timer. Buy the parts you need in bulk if you have a lot of plants. Drainage also needs to considered. Water can be collected and moved with a condensation pump. Low Depot has them.
   
   
3. Fert- I am a soil guy so I add dry organic ferts into the soil before planting. They are generally non-water soluble. And become more available over time.
   
   
4. Temp- I use fans/filter combo with simple plug-into thermostat. I prefer 8" to 6" diameter fan.
   A simple heater with thermostat set for 70 will turn on as needed.
   
   
5. Humidity- Dehumidifier's are cheap on Craigslist. I set mine to 50%. The water collected goes into the drain. Humidifier is usually needed when lights are on set to 50%. I add water automatically to it from drip irrigation line any overflow goes into drain.
   
   
6. CO2- if you are doing this it. The controls necessary make it automatic except for CO2 tanks. If you use a burner you can conect to your home gas service so there is no tank change.
   
   
7. Get a temp/humidity logger than can send alerts to your phone. Avoid ones that require a regular service fee. I like and use a sensorpush. There maybe better ones available now I havent looked in awhile.
   
   Get a calendar, set up a schedule for 8 weeks harvest. Plan to be home for harvest, cleanup and replanting. You might want to try autoflowers. They need less interaction. Hit me up if you have any questions.

I got this for last vacation and it worked very well. https://www.amazon.com/gp/aw/d/B07P9ZH7PQ?psc=1&ref=ppx_pop_mob_b_asin_title&th=1

I used this line. You can only run so many feet of emitter line from a single emitter tap, in my case it was 18 feet. So, I ran one of these emitter taps into the 1/2" line for each 16 feet (I have 8 foot beds), each going up and back in a row (effectively 2 lines).

I found the 1/4" line is a lot easier to get and keep in place than the 1/2" line - so I only use the 1/2" line for the supply run around to all the raised beds, then I used the 1/4" line and 1/4" emitter tubing to run into the beds.

I've been using this little auto-watering pump I got off amazon. It draws from a 5 gal bucket and puts out 1 C of water per 60 second run. Plenty for my seed trays. Not bad for $40. The Space heater is on a timer and keeps it about 10*F warmer than the ambient temp at night... not sure if this will be enough when it drops down to 16* next week but I assume it will be OK as I am only keeping cold hardy stuff in there for now and my tomatoes, peppers, and eggplant are inside under a fluorescent shop light til April. Zone 6a TN.

​

This is what I currently use for (12) Five gallon fabric pots.

KORAM 100ft 1/4" Irrigation

Sioux Chief Mini Rester - I stopped using this because my faucet is not secure 100% and it adds unnecessary tension at an angle. Not sure if the winter caused my faucet to bust or damage from the tension over the summer, so I opted out this year. I think I'm okay, who knows.

Programmable Timer

2 Way Splitter

Bought a 25ft hose from Lowes to give the irrigation tub some extra length.

This is basically what I use...

The basics:

• Tote for your res
  
  
• Digital timer
  
  
• Pump
  
  
• Manifold (has an assortment of flow rate inserts so you can set it up how you want)
  
  
• fitting to attach hose from pump to manifold
  
  
• pump-to-manifold tubing
  
  
• Drip tubing
  
  Extras, that make things nice and easy:
  
  
• FloraFlex cap for even distribution through the medium
  
  
• Floraflex clips to hold the drip lines in place
  
  
  If you feed drain-to-waste, you'll want to come up with some way to collect runoff. Maybe something like THIS small HD tote, with a few holes drilled through the top. Just set your plant on top and it will collect all your runoff.

I use one of these with great success. It's cheap, it's simple and it's worked well for me for ages. I have the intake tube stuck through a hole in the lid of a 5 gallon bucket full of water with the nutes already mixed in.

It's pretty simple, set the length of time to water, tell it how many times a day to water and that's it. I'm using 1 unit for my tent containing 4-5 plants. I'd estimate that I've got it pretty close to maxed out. You might be able to do 6-7 plants if they were smaller or otherwise didn't need a ton of water.

it's better (and cheaper) if you can avoid those emitters though because they are not very reliable either... They get clogged up all the time for me. (talking about this: https://www.amazon.com/Rain-Bird-SW10-30PS-Irrigation-Watering/dp/B0049C76S4)

Fish tank pump on a smart plug?

I use one of these for my normal watering without the auto function.


DIY Micro Automatic Drip Irrigation Kit,Houseplants Self Watering System with 30-Day Digital Programmable Water Timer 5V USB Power Operation for Indoor Potted Plants Vacation Plant Watering [Gen 4] https://www.amazon.com/dp/B0743F4532/ref=cm_sw_r_cp_apa_i_Ky3BCb9APHBAN

But unfortunately at the max setting it only does 1/2gal per time interval and only equal time intervals. It works well with autos in small pots and just to keep plants from totally drying out if I go out of town.

I guess technically it’s a “drip system”, and it uses these rigs


Hydro Flow Rain Ring - 6" https://www.amazon.com/dp/B00WBZZ7K0?ref=ppx_pop_mob_ap_share

This is the exact system I’m using.

Blumat Automatic Watering Sensors - 5 Plant Starter Drip System - Made in Austria - Great for all Plants https://www.amazon.com/dp/B00IQXFBWA/ref=cm_sw_r_cp_api_ThyQBb5QBB12W

It didn’t seem to interfere. Although I did have 1 over water incident 2/3rds or the way through maybe the roots prevented it from sensing saturation. After I reset the dial it was fine hmmmm.

I used this when I was out of town for a week, worked well :

DIY Micro Automatic Drip Irrigation Kit,Houseplants Self Watering System with 30-Day Programmable Water Timer and 5V USB Power Operation for Indoor Potted Plants or Vacation Plant Watering [Gen 3] https://www.amazon.com/dp/B0743F4532/ref=cm_sw_r_cp_api_5g1KBb3B2ZMHR

Here's an amazon link.

You can hook it up to a faucet with a pressure reducer without any hassle; just buy the right couplers and enough garden hose or irrigation tubing to run the line and you should be good to go.

No people love them though , I went a cheaper route and just got a similar product on amazon. If I am being honest I adjust the speed every now and then but I keep a camera near so I can check on it anytime anywhere .

The kit came with a hose attachment that runs off two different lines, I put it into the side of a 10 gallon trash barrel and sealed it tight.

If you spend the money for the other kit you mentioned it’s easier to install , it screws tight on both sides and seals with o rings


Philonext Drip Irrigation,100ft /30M Garden Irrigation System, Adjustable Automatic Micro Irrigation Kits,1/4" Blank Distribution Tubing Hose Suit for Garden Greenhouse, Flower Bed,Patio,Lawn (30M) https://www.amazon.com/dp/B07QDW8BGQ/ref=cm_sw_r_cp_api_i_02tODb4EJEE48

Fountain pump with 1/2 out
1/2 inch tubing from pump to drip
Drip irrigation distributor http://www.amazon.com/gp/aw/d/B00004S26U
1/4 feed lines to your plants
Done

Run it manually or on a timer.

/u/relaymail beat me to it. I have been using the 1/2 mainline and 1/4 drip emitter tubing for a few years now on my raised beds and it's been great.

You can see how I have it set up in - this pic

Since the pic was taken I've buried all the mainline so I don't have any showing except for where it comes up and across the beds, then back down.

I have had the best luck with [this main line from MisterLandscaper] (https://www.amazon.com/gp/product/B006ZNPE4I/) compared to some others. It's a bit more stiff than some of the others which has helped it hold up, makes it easier to poke holes in for adding drip lines, and it held up very well to trenching in between beds.

[This drip line from Toro] (https://www.amazon.com/gp/product/B0026TA5JE/) is the one I settled on, preferring less flow more frequently to more flow every foot. This is half as much water every six inches, versus twice as much every foot. Yields the same water, total, but spreads it out a bit more, which should be more flexible for planting things.

Lastly, I've been using Rain Bird fittings and connectors, with Orbit water timers.

So far, so good! Let us know how the project turns out!

Drip irrigation.

You get a Galcon Timer which yes, it's battery-powered it used a 9-volt battery which should be replaced three times a year.

That plus a Drip Irrigation Kit and some more Drip Emitters and more Tubing and your elbows and your t-fittings is basically all you need to build out an irrigation system.

You may want a few landscape stakes to hold the tubing in placewhile you setup the system.

Drip system kit + sprinkler timer.

I got my drip kit for $20 off Amazon, and a few years back I bought a timer for my garden hose. The timer is really great you can set it to turn on every x days or every x hours. You can also control how long it runs for (15mins, ect..).

I just setup a drip system for my peppers and I'd recommend using at least two "drips" per pot.. 3+ would be great. I found that only 1 dripper wouldn't saturate the pot enough.

Edit: here's the timer: Orbit Single Outlet Programmable Hose Faucet Timer, Standard Packaging

Here's the drip kit: Kalolary 82ft Drip Irrigation, Garden Irrigation System, 4/7" Blank Distribution Tubing Watering Drip Kit, DIY Saving Water Automatic Irrigation Set for Garden, Greenhouse, Patio, Lawn

If you’re not going for too long, you might try something like this. If you want something more elaborate, you could set up a pump, reservoir, and timer and feed on a schedule.

This Automatic watering thing might work...

I got mine off Amazon: https://www.amazon.com/gp/product/B00IQXFBWA/ref=s9_acsd_al_bw_c_x_1_w

Amazon sells a auto waterer that's powered by AAs and/or a usb cord, I use one for one of my indoor trees, just hook it in the side of a 5 gallon bucket and set it for how often you want it watered, the little brass filter will clog, it's best to take it off and weigh the hose down with something so it stays at the bottom. https://www.amazon.com/gp/aw/d/B0743F4532/

Super easy and I've been using mine for a couple of months now, no issues so far except for the clogged filter thing. Make sure you test it before, and make sure it's set for minutes not seconds.

New question. Is a manifold like this good?

I'm thinking of using the Ecoplus 396 gph from amazon as my pump. I'm pumping about three feet up, and thinking of using 1/4" tubing. Is 396 gph overkill for 6x5' rails, each 3" diameter. If the pump is flowing too much is it bad for the pump to use a manifold or some valves to restrict flow?

I'm using 2" net pots, mostly for lettuce and spinach and basil and the like. What size rockwool should I get. Should I add clay pellets like for larger plants? Should I use bigger cubes?

ALSO, is there a cheap way to cap off the ends of a pvc pipe? The 3" caps are like 3 bucks each, and I need 12 of them which is close to how much I spent on the pipe itself. I figured maybe just make sure the ends are flat and glue a peace of plastic to the end?

Sorry for all the questions. This is my first NFT and as I'm assembling the thing I'm getting a clearer picture of what I haven't figured out yet. Anyway thanks!

Someone commented this in another post.

https://www.amazon.com/gp/aw/d/B07P9ZH7PQ?psc=1&ref=ppx_pop_mob_b_asin_title&th=1

Not sure if this is too small or simple for you but I just installed this in my covered raised flowerbed. I just ran the line across the roof and attached the little orange pieces (misters) every few feet or so, works fantastic.

KORAM IR-D 50 Feet Blank Distribution Tubing Hose Plant Watering Irrigation Drip Kit Accessories Include Atomizing Nozzle Mister Dripper, 1/4-Inch https://www.amazon.com/dp/B013JPIJG4/ref=cm_sw_r_cp_apa_MmLVAbYWQWHWD

Do you have any info on your irrigation setup?

I've put together a simple one using this kit and a small pump, but I'm looking to keep making upgrades on it.

Blumats, it's a drip kit but the carrot that is in the ground there senses how wet the soil is and you can set it to maintain the same moisture level so it never gets too wet or dry. It's pressure fed, so you just need a res with a little fish tank aerator and little pump to keep everything moving.

Got it cause I was going away for a few days and my coco needed to be watered every day... so nice not having to mix nutes every day as an added bonus. Definitely worth it.

Amazon primable for free shipping

https://www.amazon.ca/dp/B0743F4532?psc=1&ref=ppx_pop_dt_b_asin_title

It might be perfect for you then. When it was working well, I loved it.

Go get some Sledgehammer flush. and run it through the plant after you have let the soil dry for 4- 5 days. Do yourself a favor and buy an automated watering system, which will run you about 35$ on amazon. This way you will be able to have precise watering on a schedule and prevent this type of noob mistake.
https://www.amazon.com/gp/product/B0743F4532/ref=oh_aui_search_asin_title?ie=UTF8&psc=1

here the one i use. I just went to the store and bought a 5 gallon jug and use it for the reservoir. Best move ever. Also, if it is your first grow, take a tip from an old head and DONT fuck with them too much. Less is more with growing.

I've thought about that, though I have to figure out how to easily get around the door way.

Here is a link to the kit I ordered:

https://www.amazon.com/gp/product/B07R5LTYZC/

It says it's "UV resistant" materials but could not mean much. That being said, this kit is designed specifically for gardens and not necessarily to be buried, so maybe that helps?

Edit: Also, most of the line is going to run in areas that are shaded for most of the day. That's the reason why I have to go so far for my planter - the north side of my garage is the only part of my back yard that gets full sun.

No need to drill anything, you can get a 1/4 inch drip irrigation set from amazon for like $25. comes with the atomizers & drip heads and splitters and all.

Example... not hocking the product.. just the first one that came-up on the search.

https://www.amazon.com/Koram-Distribution-Irrigation-Accessories-IR-D/dp/B013JPIJG4/

I believe there is also a spongy slow drip type tube/hose out there as well I just cant remember the name of it. "Worst case" you poke some holes in some 1/4 inch vinyl tubing using a needle to get the same effect.

https://www.amazon.com/Wyndham-House-Watering-Globe-Set/dp/B01M32CRKG/ref=mp_s_a_1_3?keywords=plant+waterer&qid=1565579554&s=gateway&sr=8-3 these plant waterers are made just for this situation!

This doesn't make any sense to me... What people want to grow their own food but don't actually like gardening and are also willing to pay significantly more than if they just purchased their produce?

The scale is too small for there to be any positive returns during the life of the unit, especially if you ever need to replace parts or do maintenance. And better alternatives already exist! You can achieve almost the same thing on a 3x larger scale^1 for 2% of the cost^2 and less time:

You'll have to plant the seeds yourself, but on a small scale that is such a nominal task it is hardly an advantage to the FarmBot, especially because you still have to load seeds and attachments into the FarmBot (and clear out the inevitable jams). And the time to set up the landscaping fabric and irrigation system is almost certainly less than setting up and programming the FarmBot, with less maintenance and much fewer potential points of failure.

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^1 The Farmbot Genesis kit has a 4.5 m^2 compared to the ~14 m^2 provided by the landscaping fabric.

^2 Automated irrigating and weed prevention system from Amazon:

• Drip Irrigation Kit: 23.99
  
  
• Irrigation Timer: 32.97
  
  
• Landscaping Fabric: 14.99
  
  
• Total: $71.95 (compared to $2,900...)
  

You could get a programmable timer that attaches to a faucet, and pick up some irrigation tubing at your local hardware store - they have all sorts of nozzles / sprayers / drippers that could be set up to auto-water your outdoor plants.

If you're in an apartment (with no faucet access) another alternative could be to get one of the pump systems that attaches to a bucket. I'm not sure if it would be strong enough to mist/spray, but perhaps just some dripping water in the right place would be enough?

If you want to save time refilling, I got one of these https://www.amazon.com/dp/B07P9ZH7PQ/ref=cm_sw_r_other_apa_i_ZpeDDbY2RV7S4

I have it screwed into a water bottle top over a 1 gallon container that I refill with distilled water weekly. I have it set to run for 30 seconds twice a day and it keeps the whole thing nice and moist.

DIY Micro Automatic Drip Irrigation Kit,Houseplants Self Watering System with 30-Day Digital Programmable Water Timer 5V USB Power Operation for Indoor Potted Plants Vacation Plant Watering [Gen 4] https://www.amazon.com/dp/B0743F4532/ref=cm_sw_r_cp_api_i_.y8BDb92BV4CB

How long do you think an inverter/car battery setup would run a small water pump to water plants? What would be a good way to recharge the car battery? Are you saying there are more options to run a water pump/timer remotely? Cause my crop is far away from traditional means of power and water and I'm trying like crazy to find a reasonable way to do this so I can setup automatic watering.

This is way originally have me the idea for a battery operated pump with a timer. It gets so many mixed reviews about quality that I'm hesitant to try it.

DIY Micro Automatic Drip Irrigation Kit,Houseplants Self Watering System with 30-Day Digital Programmable Water Timer 5V USB Power Operation for Indoor Potted Plants Vacation Plant Watering [Gen 4] https://www.amazon.com/dp/B0743F4532/ref=cm_sw_r_cp_apa_i_.NyBDb95WRT4W

This looks like it should do the trick!

https://www.amazon.ca/Teekini-Irrigation-Venturi-Fertilizer-Injectors/dp/B01KO1BPGM/ref=asc_df_B01KO1BPGM/?tag=googlemobshop-20&linkCode=df0&hvadid=292975503724&hvpos=1o1&hvnetw=g&hvrand=13082987818208050884&hvpone=&hvptwo=&hvqmt=&hvdev=m&hvdvcmdl=&hvlocint=&hvlocphy=9001299&hvtargid=pla-491855147986&psc=1

Thanks again

This is the system you want https://www.amazon.com/Blumat-Automatic-Watering-Sensors-Starter/dp/B00IQXFBWA/ref=mp_s_a_1_2?ie=UTF8&qid=1541090568&sr=8-2&pi=AC_SX236_SY340_QL65&keywords=blumat&dpPl=1&dpID=41dHaopxgeL&ref=plSrch

You need this!

I will definitely have to grab a timer for my light.

The small system Im going to use is this

DIY Micro Automatic Drip Irrigation Kit,Houseplants Self Watering System 30-Day Digital Programmable Water Timer 5V USB Power Operation Indoor Potted Plants Vacation Plant Watering [Gen 4] https://www.amazon.ca/dp/B0743F4532/ref=cm_sw_r_cp_api_i_oqC0Cb786QFCK

5M Micro Irrigation Set Water Misting Cooling Drip Sprinkler System for Patio Garden Landscape Flower https://www.amazon.ca/dp/B072VBBN6Z/ref=cm_sw_r_cp_api_i_RLC0CbDFGCF5T


I plan on using wooden dowels drilled into the wooden crates so that I can vertically position the misting nozzles properly. The rest of the line/drip nozzles I will secure to the wood and run to the plants to (hopefully) keep it looking clean.

Im considering a basic wooden ikea type shelf where I can separate the Bonsais and strategically place lights / misting nozzles above.

Hopefully these links work..Im pretty new to redit and this is only my 3rd post. I apologize if it doesn’t work.

basically bought this https://www.amazon.ca/Automatic-Irrigation-Houseplants-Programmable-Operation/dp/B0743F4532/ref=sr_1_19?crid=11LXMM521O95X&keywords=drip+irrigation+system&qid=1559330762&s=gateway&sprefix=drip+iri%2Caps%2C134&sr=8-19

​

1. a tote/water storage bucket
   
2. 1/4 inch tubing, I think I've used 30-40 ft but that's cuz I've messed a bunch up
   
3. 1/4 inch drip emitters
   
4. 1/4 tubing connectors
   
5. just bought a 130 GPH pump (coming in mail)
   
6. 1x digital controller on amazon (idk there are dozens), (coming in mail)
   
   ​
   
   You can get pretty much everything from Home Depot. They have a section for drip irrigation at the big one near me.

https://www.amazon.com/Blumat-Medium-Box-Kit-Irrigation/dp/B00IQXFBWA?th=1

Or go to any hydro / garden store, blumat or drip irrigation

In practice your plants can probably dry out if it's about a week. Two weeks and they might not come back.

this is my first time hearing about blumat. can you describe which tote resevoir you use, and how you connect the reservoir to blumat? I saw this kit:

https://www.amazon.com/Blumat-Deck-Planter-5-Pack-Starter/dp/B00IQXFBWA/

But it looks like one still need to get the reservoir the tubing/connectors for the reservoir?

I'm not that sure where to find guides. There are a lot of premade kits available, check amazon or home depot or similar stores. You can purchase the individual parts or just purchase a kit.

Here is a typical water pump, this one is the smallest and cheapest I can find on Amazon, or close to, as it takes very little flow to supply the drippers. Don't let them run dry though, reservoir should always have water in it.

I currently use this bad boy to split from 1/2 inch hose from a water pump to the thinner spaghetti hose, I think it's 1/4 inch, that leads to the drippers. The trick to using this manifold is finding a fitting to go from 1/2 inch hose from the pump to the required thread for the manifold, which is garden hose size. I use a totally standard 1/2 inch threaded fitting that is stocked at all my local hardware stores. You can adjust flow on the manifold but I prefer not to, just leave it and let the drippers modulate flow.

Instead of a manifold, you could also find some way to go right to spaghetti tubing from the pump, and just run one master line to all the plants, and use a tee for each dripper.

You could also run the 1/2 inch supply line as your master line and puncture a hole in it with this or this and just use a little fitting like this to run the spaghetti hose to each dripper/plant, but I feel like these connections are prone to leaking. It is a very popular way of setting up drip systems though. With less than very many plants I would go with a manifold or spaghetti hose with tees.

I like this style of dripper because it sends a consistent amount of water to the plants and I adjust volume by setting an electronic timer (24 hr/7 day timer) to run the right amount of minutes per day, the amount of times I want. Math is nice.


So basically parts list can fluctuate pretty heavily depending on how you want to do it.

Have you just drilled holes for water, or have you actually added in drip irrigation heads? The heads will help prevent oddities in water pressure and will better regulate everything. You can even pair them with 1/4 tubing and couplings to get the water where you want it to go. In my experience, the heads are better than the soaker hoses.

thanks Hydro Flow Rain Ring - 6" https://www.amazon.com/dp/B00WBZZ7K0?ref=ppx_pop_mob_ap_share

Blumat Tropf Medium Box Kit - Automatic, Moisture Sensing Irrigation for Up To 12 Plants - Great for Vacation Watering https://www.amazon.ca/dp/B008PXHY3A/ref=cm_sw_r_cp_api_i_oIxZDb9Q0V8Y4

https://www.amazon.com/gp/aw/d/B01EUU940M/ref=mp_s_a_1_2?qid=1465401998&sr=8-2&pi=SY200_QL40&keywords=aqua+spikes&dpPl=1&dpID=51VG9ZSf1tL&ref=plSrch

Something like this might be cheap and easy.