Peanut Harvest when plants turn yellow at season's end or before the first early frost. Pepper, green Harvest when fruits are full sized and firm. Pepper, red Allow peppers to remain on the plant until they become completely red. This usually requires an additional 2 to 3 weeks. Potato For storage, harvest when full sized with firm skins.
Tubers continue to grow until the vine dies.
For new potatoes, harvest at any early stage of development. Pumpkin Harvest pumpkins when they are fully colored and the skins have hardened enough to resist the fingernail test. Harvest before a killing frost. Established plantings can be harvested for approximately 8 weeks. The quality of the stalks decreases toward the end of the harvest period.