If you have tomato plants flowering in your greenhouse right now, now is the time to top them off.
Master Gardener Ed Buyarski says tomato plants need to devote any remaining energy to ripening fruit that has already emerged instead of wasting it on flowers that are unlikely to mature or produce any fruit later this fall.
Just use nail clippers or your fingers to trim or pinch off any new flowers.
Buyarski also says it’s the last call for harvesting cucumbers and zucchini. This summer’s prolonged rains have set up perfect conditions for a severe spreading of fungus.
“To the point that removal (of those plants and vegetables) is the best option,” Buyarski says.
Also, the gardening season is not over.
You can plant lettuce, mustard greens, spinach, kale, and radishes in your greenhouse right now. They will either be ready for a fall harvest or will tolerate the winter’s cooler conditions and have a head start next spring.
Buyarski says he has nine-month-old lettuce in his greenhouse that is just now beginning to bolt.