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Squash · Cucurbita pepo 'Sunburst'

Yellow Pattypan Squash (Sunburst)

Yellow Pattypan Squash (Sunburst) is a round and flattened with scalloped edges squash with fruit around 3-4 inches diameter when young, up to 6 inches. Ready from roughly day 50-55. Germination takes 7-10 days. Space 36-42 inches apart at pH 6.0-7.0. Full sun (6+ hours). It will crop in a container. This one is a hybrid: buy seed each season instead of saving it.

Squash
50-55days to harvest
7-10days to germinate
Z3–11USDA zones
Easydifficulty
F1 hybridContainer friendly

Sowing

Direct sow after soil reaches 65°F and frost danger has passed. Can start indoors 2-3 weeks early.

Cultivation

Sun
Full sun (6+ hours)
Water
1-2 inches per week, even moisture
Soil
Well-drained, fertile soil with good organic content
Soil pH
6.0-7.0
Spacing
36-42 inches
Height
1-3 feet
Season
Warm season

Appearance & flavour

Colour
Bright golden yellow
Size
3-4 inches diameter when young, up to 6 inches
Shape
Round and flattened with scalloped edges
Flavour
Mild, tender, slightly sweet with delicate texture

In the kitchen

Stuffing, grilling, steaming, stir-frying, and fresh eating when small

Pests, disease & resistance

Pests
Squash bug, cucumber beetle, aphids
Diseases
Powdery mildew, downy mildew, mosaic virus
Resistance
Good resistance to common summer squash diseases

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1——July – AugustSeptember – August
2——June – AugustSeptember
3——June – JulyAugust – October
4——June – JulyAugust – October
5——May – JuneAugust – September
6——May – JuneJuly – September
7——April – JuneJuly – August
8——April – MayJune – August
9——March – AprilMay – July
10——February – AprilMay – June
11——January – MarchApril – May
12——January – MarchApril – May
13——January – MarchApril – May

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

NasturtiumsRepels squash bugs, cucumber beetles, and aphids while attracting beneficial predatory insects
MarigoldsDeters squash vine borers, aphids, and whiteflies with their strong scent
RadishesRepels squash vine borers and cucumber beetles, quick harvest before squash spreads
BeansFix nitrogen in soil for heavy-feeding squash and provide natural pest deterrent
CornProvides natural trellis structure and shade, traditional Three Sisters companion
CatnipStrongly repels squash bugs, cucumber beetles, and ants
DillAttracts beneficial insects like parasitic wasps that prey on squash pests
OreganoRepels cucumber beetles and provides general pest protection with aromatic oils

Avoid

PotatoesCompete for similar nutrients and space, both are heavy feeders that deplete soil
FennelInhibits growth of most garden plants including squash through allelopathic compounds
BrassicasHeavy nitrogen feeders that compete with squash and may stunt growth

Nutrition (per 100 g)

Calories (per 100 g)
26
Protein (g)
0.52
Fat (g)
0.2
Carbohydrate (g)
5.64
Sugars (g)
3.54
Vitamin C (mg)
4.5
Vitamin E (mg)
0
Vitamin B6 (mg)
0.058
Folate (µg)
22
Calcium (mg)
9
Iron (mg)
0.17
Magnesium (mg)
10
Phosphorus (mg)
12
Potassium (mg)
205
Zinc (mg)
0.07
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Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the squash growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

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Similar varieties

Other squash with a comparable time to harvest, so a season that suits Yellow Pattypan Squash (Sunburst) suits these too.

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