Kenwood Press


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Over the Garden Fence: 07/01/2017

Summer harvest tips



Our summer vegetable garden harvest starts this month. Pick vegetables when they are young and tender - bigger is not tastier. Check crops daily. Whenever possible, eat summer vegetables the day you pick them.

Here's a quick guide for picking summer vegetables at the peak of flavor:

Green beans - Pick green beans as soon as immature seeds begin to fill the pod but before the seeds look lumpy in the pod. Beans will be tender and tasty if the outside of the pod is still slightly velvety. Pick beans every day or every other day; the more you pick beans the more pods the plant will produce.

Summer squash - Pick summer squash when it's firm but while the skin can still be easily pierced with your thumbnail. Zucchini and scalloped squash should be deeply colored, but crookneck and straightneck squash should be pale. Summer squash is prolific; if you want to slow production, pick both the male and female blossoms (which are also edible).

Corn - Pick corn when the tips of the silks turn crispy brown at the very ends and the husks have filled out and rounded. Pierce a kernel with your thumbnail; if the juice is milky, it's just right and it is time to put the pot on the stove; if clear it's not ready; if it's dry then the ear is past its peak.

Cantaloupe - Pick cantaloupe ripe. You'll know when all it takes is just a little pressure to pull the fruit away from the stem. This is called “slip ripe” - a crack forms around the stem next to the fruit and the fruit slips away from the stem. Check stems for the formation of the crack - it only takes a day for cantaloupe to become overripe.

Watermelon - Harvest watermelon when the part of the melon that sits on the ground turns from pure white to a cream or yellow color and the tendril on the stem starts to dry up and turn brown. Counting the days from sowing seed to maturity will also help; small varieties will be ready first, then large varieties. Thumping the melon with your knuckle you will hear a thunk, not a ping - but a dull thud usually means the melon is overripe.

Peppers - Pick peppers as soon as they reach the size you want to eat them - no matter the color. The fruit should be well formed, but not necessarily full sized. It's best to pick peppers early and often; that will increase the plant's yield. Pepper plants have a “yield limit” - they won't produce more fruit than the plant can physically support, so new blossoms and fruit won't form until fruit is picked. Fruit that reaches full size will have the best store of vitamins A and C. For non-green varieties, that's when they have taken on two-thirds of their color. Clip peppers, don't pull them; that way you won't damage the plants.

Tomatoes - For full flavor, take tomatoes from the vine when the skin is smooth, glossy, fully colored, and somewhere just between firm and soft. But you can pick tomatoes sooner and allow them to ripen off the vine. Watch the bottom or flower end of the tomato - that is where the fruit starts ripening and color comes first. Even if the top or stem end has not turned its mature color - red, purple, pink, orange, or golden yellow - you can start picking. (Not to be confusing, but it's good to know what color the variety you are growing will be at maturity, because there are a few varieties that will reach peak flavor before they reach full color.)

Carrots - Pull up carrots as soon as they turn deep orange; they will be full flavored and tender at finger sized. If the weather is warm, don't let carrots linger in the ground, the flavor will decline quickly. In cooler weather, carrots can stay in the ground for weeks without losing flavor. In sandy soil, you can pull carrots up by the leafy crown; in clay soil, loosen the soil first with a garden fork.

Radishes - Pull up radishes as soon as the roots are big enough to eat. Large radishes quickly become hot and woody, and split. The best strategy is to plant small quantities, stagger the sowing dates for successive harvests, and then pull them up daily; that's how you'll get tender and tasty radishes.

Eggplant - Pick eggplants as soon as they are big enough to eat, and while the skins are glossy. The flesh should not spring back when you press it with your thumb. If the skin turns dull and the seeds inside are hard and dark, you have waited too long. Like peppers, pick eggplants often to increase the yield.

Cucumbers - Pick cucumbers when the fruit is just mature - between three and four inches for pickling varieties and six to eight inches for slicers. Don't wait for cucumbers to get too big; they will turn seedy and bitter. Harvest cucumbers often to keep the vines producing. Check plants daily, they mature quickly.

Steve Albert is the author of The Kitchen Garden Grower’s Guide available at Amazon.com. He teaches in the landscape design program at the U.C. Berkeley Extension. He lives in Oakmont.

Email: author@kenwoodpress.com

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