HeirloomContainer OK

Casper

Cucurbita pepo

Casper growing in a garden

A colorful mix in shades of green, orange, yellow, and white with a unique daisy pattern on the stem end of the fruit. Developed by Larry Eckler of Niles, MI. Performs best with 24" in-row spacing. Avg. weight: 5-8 oz.

Harvest

95d

Days to harvest

πŸ“…

Sun

White-Tailed Deer

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Zones

3–11

USDA hardiness

πŸ—ΊοΈ

Height

1-3 feet

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Planting Timeline

Jan
Feb
Mar
Apr
May
Jun
Jul
Aug
Sep
Oct
Nov
Dec
Start Indoors
Transplant
Harvest
Start Indoors
Transplant
Harvest

Showing dates for Casper in USDA Zone 7

All Zone 7 eggplant β†’

Zone Map

Click a state to update dates

CANADAUSAYTZ3NTZ3NUZ3BCZ8ABZ3SKZ3MBZ3ONZ5QCZ4NLZ4NBZ5NSZ6PEZ6AKZ3MEZ4WIZ4VTZ4NHZ5WAZ7IDZ5MTZ4NDZ4MNZ4MIZ5NYZ6MAZ6CTZ6RIZ6ORZ7NVZ7WYZ4SDZ4IAZ5INZ6OHZ6PAZ6NJZ7DEZ7CAZ9UTZ5COZ5NEZ5ILZ6WVZ6VAZ7MDZ7DCZ7AZZ9NMZ7KSZ6MOZ6KYZ6TNZ7NCZ7SCZ8OKZ7ARZ7MSZ8ALZ8GAZ8TXZ8LAZ9FLZ9HIZ10

Casper Β· Zones 3–11

What grows well in Zone 7? β†’

Growing Details

Difficulty
Moderate
Spacing18-24 inches
SoilRich, well-drained soil with plenty of organic matter
pH6.0-7.0
WaterHigh β€” consistent moisture needed
SeasonWarm season annual
FlavorExceptionally mild and sweet with creamy, non-bitter flesh
ColorPure white to cream
Size24"

Zone-by-Zone Planting Calendar

ZoneIndoor StartTransplantDirect SowHarvest
Zone 3April – AprilJune – Julyβ€”September – October
Zone 4March – AprilJune – Juneβ€”September – October
Zone 5March – MarchMay – Juneβ€”September – October
Zone 6March – MarchMay – Juneβ€”August – October
Zone 7February – MarchApril – Mayβ€”August – October
Zone 8February – FebruaryApril – Mayβ€”July – September
Zone 9January – JanuaryMarch – Aprilβ€”June – August
Zone 10January – JanuaryFebruary – Marchβ€”June – August

Complete Growing Guide

Light: White-Tailed Deer. Soil: High Organic Matter, Loam (Silt). Soil pH: Neutral (6.0-8.0). Drainage: Good Drainage, Moist. Height: 1 ft. 0 in. - 3 ft. 0 in.. Spread: 2 ft. 0 in. - 25 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Rapid. Maintenance: var. CylindricaZucchini Squash, var. Cylindrica. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

A type of berry called a pepo that has a hard rind. Fruits may be long or round, large or small, smooth or warty– some have edible flesh and some are too hard or insipid to eat, though the seeds of all are edible. Has a harder, thicker stem compared to other species.

Color: Black, Cream/Tan, Gold/Yellow, Green, Orange, Pink, Red/Burgundy, Variegated, White. Type: Berry. Length: > 3 inches. Width: > 3 inches.

Garden value: Edible, Showy

Harvest time: Fall

Bloom time: Summer

Storage & Preservation

Store freshly harvested Casper eggplants at room temperature for up to 3 days for peak flavor and texture. For longer storage, refrigerate in the crisper drawer wrapped loosely in perforated plastic bags for up to one week. Unlike heartier purple varieties, Casper's delicate skin makes it more susceptible to chilling injury below 50Β°F, so avoid storing in very cold refrigerators.

For preservation, Casper's creamy texture makes it ideal for freezing after blanching. Cut into rounds, blanch for 4 minutes, then freeze on baking sheets before transferring to freezer bags. The mild flavor also excels in pressure-canned ratatouille or caponata. Avoid dehydrating, as Casper's high moisture content makes it prone to spoilage during the drying process. Consider fermenting small fruits whole in salt brine for a unique probiotic preserve that showcases the variety's naturally sweet flavor.

History & Origin

Origin: North America

Advantages

  • +Fast-growing

Companion Plants

Plant Together

+

Basil

Repels aphids, spider mites, and thrips while potentially improving eggplant flavor

+

Tomatoes

Similar growing requirements and can share support structures, both nightshades with compatible needs

+

Peppers

Fellow nightshades with similar soil and water requirements, can deter some common pests

+

Marigolds

Repel nematodes, aphids, and whiteflies while attracting beneficial predatory insects

+

Nasturtiums

Act as trap crops for aphids and cucumber beetles, drawing pests away from eggplant

+

Catnip

Repels flea beetles, aphids, and ants that commonly attack eggplant

+

Hot Peppers

Natural pest deterrent that repels many insects harmful to eggplant

+

Oregano

Repels aphids and provides ground cover while improving soil health

Keep Apart

-

Black Walnut

Produces juglone toxin that inhibits nightshade family growth and can kill eggplant

-

Fennel

Allelopathic properties inhibit growth of most vegetables including eggplant

-

Corn

Competes for nutrients and can harbor corn earworms that also attack eggplant

Nutrition Facts

Calories
25kcal
Protein
0.98g
Fiber
3g
Carbs
5.88g
Fat
0.18g
Vitamin C
2.2mg
Vitamin A
1mcg
Vitamin K
3.5mcg
Iron
0.23mg
Calcium
9mg
Potassium
229mg

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #169228)

Pests & Disease Resistance

Resistance

Powdery Mildew (Intermediate); Watermelon Mosaic Virus (Intermediate)

Common Pests

Flea beetles, Colorado potato beetle, aphids, hornworms

Diseases

Verticillium wilt, fusarium wilt, bacterial spot, phomopsis blight

Frequently Asked Questions

How long does Casper eggplant take to grow from seed?β–Ό
Casper eggplant takes 70-80 days from transplanting to first harvest, plus 8-10 weeks for indoor seed starting. From seed to harvest, expect about 4-5 months total growing time. Start seeds indoors in late winter, transplant after last frost, and begin harvesting by mid to late summer in most climates.
Is Casper eggplant good for beginners?β–Ό
Casper eggplant is moderately challenging for beginners due to its specific temperature requirements and longer growing season. However, it's more forgiving than purple varieties since it never develops bitterness, making harvest timing less critical. New gardeners in zones 7-9 will have better success than those in cooler climates.
Can you grow Casper eggplant in containers?β–Ό
Yes, Casper eggplant grows well in large containers of at least 20 gallons with excellent drainage. Use a premium potting mix enriched with compost, place containers in full sun locations, and provide sturdy staking. Container growing actually helps control soil temperature and drainage, which benefits this heat-loving variety.
What does Casper eggplant taste like compared to purple eggplant?β–Ό
Casper eggplant has a notably milder, sweeter flavor than purple varieties, with a creamy, almost custard-like texture when cooked. It completely lacks the bitter compounds that can make purple eggplants unpalatable, making it excellent for people who typically dislike eggplant. The flesh is denser and more succulent.
When should I plant Casper eggplant seeds?β–Ό
Start Casper eggplant seeds indoors 8-10 weeks before your last expected frost date. In most areas, this means starting seeds in February or March. Transplant outdoors only after soil temperature reaches 65Β°F and nighttime temperatures stay consistently above 50Β°F, typically late May to early June.
Why are my Casper eggplants turning yellow?β–Ό
Yellow Casper eggplants indicate over-maturity - harvest immediately before they become bitter and seedy. Unlike purple varieties that darken when ripe, Casper should remain pure white. Yellowing can also result from plant stress due to inconsistent watering, extreme heat, or nutrient deficiency. Harvest white fruits promptly to encourage continued production.

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