The cold frame door and roof is left open so it don't heat up during the day...also for air circulation.Yeah, I bet it's pushing 100% humidity in the cold frame and you're seeing some condensation develop.
I have them in a cold frame for winter. I purposefully leave the door and roof open for circulation...obviously not enough.I keep a fan running 24/7 in my well house where I store trees for the winter. Still, humid air is a set up for disaster. A small fan, 20 cm diameter, pointed at a wall above the trees will keep the air moving and buoyant. Leaves should gently wave in the breeze.
Try that, all your plants in the cold frame will look better.
guttation Had to look it up. It's always nice to learn a brand-new term!Those droplets must be centered around the area where the most guttation happens. Then the water molecules minimize their energy by forming these droplets. No need for them to move. The droplet spacing seems to vaguely resemble those spikey edge spacing.
Problem is, you miss half of the conversation, and very frequently post replies long after that answer was already given. As in the above. I provided a direct link to wikipedia so others do not need to look for it.I have a lot of unpleasant people on ignore. It's the best feature of this site!
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