U.K Greenhouse Grow, Should I Flush?

joffiler · Oct 9, 2020

Hi gang.

We're into the second week of October already, and the UK weather is only going to get worse and colder. It's going to be ~13°C in the day and 7-8°C at night for the next 2 weeks, and bl not much sun. Humidity is constantly 90+% Do you think I should start flushing for two weeks then harvest regardless?

She's a Durban Poison photoperiod in a greenhouse, with a fan on her and the door open.

Images attached.

Thanks in advance,

Jack

go go kid · Oct 9, 2020

delve into some of your buds and check for rot, ive just grown hindu kush x kush from sensi seeds, and ive had to waste over half the plant from rot within the buds, im gutted, not an outdoor strain.
it was in a polly tunnel and looked just fine.
just a thaught as im in wales uk

spliffendz · Oct 9, 2020

Add a heater maybe on thermostat

go go kid · Oct 9, 2020

the tunnels 18 x 12 ft bit too big to heat for the one that was inside, the rest are right offs.

best to err on the side of cation when growing in the uk, the light is dismal and the moisture in the air is killer for a plant over here, so i personaly would say yes flush and harvest

Stoned Whale · Oct 9, 2020

The humidity here is crazy right now and likely staying this high going forward. It’s even a nightmare indoor.

If you can, add some heating. Up the airflow even more.

It’s a tricky question, is the risk of more better bud worth the risk of potentially losing the majority to you?

You will face this dilemma every year outdoor in the UK.

What medium are you in and feed used? You likely don’t need to fully flush for two weeks unless you have overfed. Don’t want to starve them when they are still in middle of flower.

joffiler · Oct 9, 2020

go go kid said:
the tunnels 18 x 12 ft bit too big to heat for the one that was inside, the rest are right offs.

best to err on the side of cation when growing in the uk, the light is dismal and the moisture in the air is killer for a plant over here, so i personaly would say yes flush and harvest

Thanks for the info man, I'll start flushing right away! No sign of mold just yet, thankfully. I chose DP as it's supposedly highly resistant to mold, but I don't wanna take any chances. It's my first plant, it was more of an experiment than anything, so I'll be happy if I get anything smokeable.

Cheers again

ganga gurl420 · Oct 9, 2020

This is why a good preventative is so important. Our humidity is super high here and we get rain a lot over here. I've been spraying with an organic fungicide twice a week for about 10 weeks and have only lost less then an 8th to bud rot.

Honestly I would do whatever I could to prolong the season because it looks like you have much further then 2 weeks left.

P.s. the two strain that had just a touch of it are not resistant strains to mold. The rest are totally untouched.

Stoned Whale · Oct 9, 2020

ganga gurl420 said:
This is why a good preventative is so important. Our humidity is super high here and we get rain a lot over here. I've been spraying with an organic fungicide twice a week for about 10 weeks and have only lost less then an 8th to bud rot.

Honestly I would do whatever I could to prolong the season because it looks like you have much further then 2 weeks left.

P.s. the two strain that had just a touch of it are not resistant strains to mold. The rest are totally untouched.

Nice! Sounds like the organic fungicide is working. What product exactly is it?

Also what latitude are you at? Big difference in UK from the far south vs Scotland haha!

ganga gurl420 · Oct 9, 2020

Oh I'm right south of the great lakes but still have a ton of rain and humidity is 90% much of the time its flowering..not to mention freezing temps.

I use southern ag garden friendly fungicide

U.K Greenhouse Grow, Should I Flush?

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