Then mid-July give 4;
about August 1, 8; August 15, feed 15 gallons. After that date,
solar intensity and temperatures decline, growth rate slows, and
water use also decreases. On September 1 I'd add about 8 gallons and
about 5 more on September 15 if it hadn't yet rained significantly.
Total water: 42 gallons. Total increase in yield: 45 pounds. I'd say
that's a good return on water invested.
_Varieties:_ For winter squash, all the vining winter varieties in
the C. maxima or C. pepo family seem acceptably adapted to dry
gardening. These include Buttercup, Hubbard, Delicious, Sweet Meat,
Delicata, Spaghetti, and Acorn. I wouldn't trust any of the newer
compact bush winter varieties so popular on raised beds. Despite
their reputation for drought tolerance C. mixta varieties (or cushaw
squash) were believed to be strictly hot desert or humid-tropical
varieties, unable to mature in our cool climate. However, Pepita
(PEA) is a mixta that is early enough and seems entirely unbothered
by a complete lack of irrigation. The enormous vine sets numerous
good keepers with mild-tasting, light yellow flesh.
Obviously, the compact bush summer squash varieties so popular these
days are not good candidates for withstanding long periods without
irrigation. The old heirlooms like Black Zucchini (ABL) (not Black
Beauty!) and warty Yellow Crookneck grow enormous, high-yielding
plants whose extent nearly rivals that of the largest winter squash.
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