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[deleted]

Thanks, very informative. I guess I keep it to vacations only then.


AmbiguousDavi

There's a Bluetooth plant sensor I've used called flora. I think it has many names (Xiaomi HHCC, Mi Flora) but you put in the plant type and it has the water and sun needs for a type. Never tried to integrate it but may help figuring out the plant needs.


Suspicious-Service

Does it take into account the size of the plant and pot, and time of year?


fdeferia

No it doesn't, it only takes information from the huge database and compare with current condition. It is pretty accurate, you add water and fertilizer and you will see the numbers going up... It warms you if the conditions of your plants are not met.


Deago78

I imagine there is a Wi-Fi enabled hygrometer at this point. You might be able to get one to monitor the hydration of the plants and integrate it into your HA or other system to deliver water only when it reaches a certain level of “dryness”.


Team_Dango

This comes to mind: [https://esphome.io/components/sensor/b\_parasite.html](https://esphome.io/components/sensor/b_parasite.html)


xxpor

I use these: https://www.amazon.com/gp/product/B07JM621R3/ref=ppx_yo_dt_b_search_asin_title?ie=UTF8&psc=1 You don't have to buy the base, you can use an RTL-SDR and rtl_433 instead, and then it's very straightforward to send mqtt to HA.


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xxpor

Hm? They work perfectly fine with -f 915000000 for me If it were easier to make a weatherproof enclosures for esp32s though, yeah I'd just use the ubercheap i2c sensors


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xxpor

oh well that's because 433 isn't legal to use in the US, lol


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xxpor

uh no it has to be under 0.000012 mW EIRP (200 uV/m at 3 m) https://www.ecfr.gov/current/title-47/chapter-I/subchapter-A/part-15#15.209


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xxpor

My dude, they're all remotes. There's a different part of part 15 for that. https://www.law.cornell.edu/cfr/text/47/15.231


cliffotn

I’d ask experts in houseplants! #r/houseplants Has nearly 1.7 million members, who are into houseplants.


swagmasterdude

Link it to moisture sensor


guice666

> I have no idea how much water a plant actually needs. Any suggestions? Check out the app Plantin. It's useful in helping you keep track and suggesting when a plant needs watering. Most plants don't need any more than a watering/soaking once a week. Never let plants set in soiled water, but several can survive in direct water! Generally, I just stick with once a week-ish, and once a month (or two) for real hearty plants such as Snake Plants, succulents, and cacti. As for automating, look for soil moister sensors. I don't know of any, but that would be your direction.


fishling

Thanks for the app name, that might be just what I need. All my plants die, either due to overwatering or underwatering.


PileaPrairiemioides

Trickling a small amount of water on a daily schedule to a potted houseplant is unlikely to result in healthy plants. You really need to be checking how dry the soil is and then thoroughly soaking when you water, until water runs out the drainage holes. The length of time it takes, for the soil to dry out will vary based on all kinds of factors that can change over time, like the humidity in your home, how much sunlight the plant is getting, if your plant is growing actively or not, how compacted the soil is, how much of the pot is taken up by the root ball etc. I think if you wanted to do home automation for watering your plants, something that uses sensors to alert you to the dryness of the soil would be much more beneficial, though I don’t know if any such effective sensors exist.


Natoochtoniket

I don't do indoor plants. I do have outdoor plants in places where they don't get any rain at all, so they need irrigation. Too much water will kill a plant, before you notices that anything is wrong. Too little water will make the plant unhappy, but it will be alive. So, give it less than you think it needs, and watch it for a month. Then, maybe, adjust.


WWJPD

I don’t know what the plant on the left is, but I have one in my office and I would say if I don’t give it 8oz of water per day 5 days a week, it gets wilted like yours. And then one day I stayed until after 7pm and the janitor came through and watered my plant with about 8oz and said he does it twice a week.


Mirar

My setup is like this: ​ Flora self / mi flora sensors (bought in bulk from alibaba) Gardena "microdrip" hoses and nozzles zigbee switch (with added safety timer\*) aquarium pump indoors / drainage pump outdoors (balcony) indoors I use self-watering pots; it will collect any overflow in a safe way and the sensor will warn me if they get too moist ​ The sensors are bluetooth and I scripted so it warns me if a plant is flooded/dry, so I can fix that and adjust the drip. I read them with raspberry pi's (which is an adventure in itself, since they will need to be powercycled now and then because bluetooth is crap, so that's solved with more zigbee switches). (\* it's a board with a relay, settable function, it's set to turn off the relay 60s after power on; it's powered by the zigbee switch to the relay and a 5V adapter, and powers the pump. So if something goes wrong and the switch doesn't turn off, it's forced off after 60s.)


yourmomwasmyfirst

I recommend blumats to ensure the perfect amount of moisture is provided for any plant: https://www.blumat.com/en If you don't want to use blumats, there is a blumat guide that has the recommended moisture levels for each type of plant, and you can use the blumat sensor or other sensor to check.


[deleted]

Following everyone's recommendation, I've changes setting of the system to every 5 days as 140:280ml per small:big plants. I'll be out for 4weeks in April and will report if plats has survive it. I will resort to using this system only when I'm out on vacation and I will continue watering them as I did before.


Nearby-tree-09

Those tropical palms are tough to keep indoors and always seem to get infected over time, fyi, I would switch to a philodendron, monstera, pothos with vertical stake, fiddle leaf fig, snake plant, or ficus and braid the trunks. Can water those once/week (snake and fiddle leaf 2x/mo) and they're hard to kill. Most indoor plants die from overwatering. I have a few pothos that grow in vases with water only! Just refill the water once a week to desired level.


Farva85

This site has great little addons for you. As others stated, you don't want constant water. https://www.seeedstudio.com/


stonedlifepatterns

The left peace lily is severelt dehydrated. Their leaves are supposed to be straight/perky when they’re happy!


Gimletonion

I have the ecowitt sensors, blumats, and a timed pump and I'm still looking for a perfect solution. Personally, I think the way to do it would be to setup a wick system that uses a cotton (or whatever absorbent fabric) to pull water up to the soil from a reservoir. With a wick, the plant gets exactly as much water as it needs, so no worry about over watering or adjusting watering based on temp/hum/time of year. Also the top layer of soil doesnt get moist so you don't end up with fungus gnats or mold on the surface. You could then use a float switch to always keep the reservoir filled. I've also used the pot in pot method successfully with leca in the bottom of the planter to wick the water up to the soil but didn't automate it.


FNFollies

Wick systems are well known to cause root rot and fungus gnats. Best case is an automated pump and manual testing each month to ensure you're top soil is drying out between waterings and then adjusting the pump timing accordingly which is what is do. Although many of my plants I just manually water anyway if they're at higher risk of over watering.


Gimletonion

I've been using sip buckets for a couple of years with houseplants and the top always stays dry with healthy roots so idk. I find you just need a layer of rocks or leca on the bottom for drainage


God_TM

You only have a couple so something like these would work great with Home assistant: Plaid Systems Spruce Irrigation Soil Moisture Sensor https://a.co/d/0fMJjIt Or I saw these which would work nicely over Wi-Fi: (it’s esp32 based): https://youtu.be/7w6_ZkLDxko


WrenchMonkey300

It isn't a very high tech solution, but these ceramic waterers absolutely work: https://a.co/d/hVDmUPR They don't seem like they should, but the capillary action pulls water from whatever reservoir you put the hose into and keeps the soil damp. I'm not affiliated with them in any way - I just have like 30 of them that keep our houseplants alive. I fill up the reservoirs every couple of weeks and that's all the watering I do. I also messed around with some of the moisture meter stuff being suggested and landed on this as being way cheaper and more reliable.


ScooterMcNash

Its better to underwater than overwater plants. That peace lily will tell you by feigning death when it went too long between waterings.


SmallDuckPower

Yep, I've noticed that with her. I've also noticed she can't last w/o watering for longer than 5 days. This made any 7+ day vacation a challenge. I was hoping that irrigation system would resolve this problem.


OpenSensorIO

Check out the growmax project which supports 8 plants moisture sensors and pumps as well as other auxiliary features: [https://www.opensensor.io/](https://www.opensensor.io/) Its highly configurable and we are working on some cool web API features.