Cucurbita pepo (52 days) F-1 hybrid. Among the most attractive of the Patty Pans with its bright yellow skin, a staple for market growers since winning the 1985 AAS. “Last one still standing,” says Michican farmer Anne Elder, “when all else has gone by the wayside of powdery mildew and cold temperatures.” ⑥
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200–320 seeds/oz. ⅛ oz packet sows 5–8 hills; 1 oz, 40–60 hills. Gourmets call patty pans “scallopini” and consider them the most appetizing of the summer squashes. Were also known as simlins or cymlings a century ago.
Culture: Harvest as tiny buttons or up to fist size.
About 200–320 seeds/oz for yellow, patty pan and Lebanese summer squashes; 1/2 oz packet sows 5–8 hills; 1 oz, 40–60 hills. About 130–240 seeds/ oz for zucchini.
Days to maturity are from direct seeding; subtract 20 days for transplants.
Culture: Tender, will not survive frost. Minimum germination temperature 60°, optimal temperature range 70–90°. Sow in hills 4' apart, 5 seeds/hill. Thin to 2–3 best plants. Or start indoors, 25 days before transplanting. Immediately install wire hoops and row cover to keep out cucumber beetles. Floating row covers, especially when used in low tunnels, provide extra heat and can hasten maturity by 1 to 2 weeks. Make succession plantings to ensure harvest through the entire frost-free season, insurance against powdery mildew and other diseases of tiring old plants. For best flavor pick summer squash when they are small. Don’t leave oversized squash on the vines. It shuts down production.
Squash blossoms are a delicacy. Harvest male blossoms when fully open for salads or stuffing. Male blossoms typically precede females by about a week. Females have a bulge at the base of the blossom, an early stage of the fruit forming.
In early summer, a combination of cool, cloudy weather and declining bee populations may result in poor pollination causing low yields. Mites and colony collapse disorder have wiped out a high percentage of wild and domesticated honeybee colonies in the last 20 years, creating a real crisis for cucurbit growers.
Pests & Diseases: To combat squash bugs without using pyrethrum or neem: Protect young plants with row covers. Striped cucumber beetles and squash bugs overwinter in squash residues so burn or haul these away at season’s end rather than cold composting them. By hand-picking them in June and July, I reduced an endemic problem and almost completely eliminated squash bug damage.
Pest: Squash Bug Cultural controls: rotation, till in cucurbit debris before winter and plant a cover crop, boards on soil surface near squash will attract bugs overnight which can be killed, avoid mulching. Squash bugs lay their brown-brick red egg clusters on the underside of the foliage, often next to the central vein—destroy egg clusters on undersides of leaves. Materials: Pyrethrum on young nymphs, AzaMax.
Pest: Squash Vine Borer Cultural controls: butternut squash is resistant, maximas & pepos susceptible; rotation, plow in squash vine debris soon after harvest, use floating row covers, watch for wilting plant parts and destroy borer within.
Disease: Powdery Mildew Controls: Use small plots to slow spread, plant indeterminate (viney) varieties, control weed competition. Materials: sulfur and whole milk, mineral or other oils in combination with potassium bicarbonate.
Disease: Bacterial Wilt Cultural control: Striped Cucumber Beetle is vector—control it; choose resistant varieties.
For the latest results of our germination tests, please see the germination page.