HeirloomContainer OK

Sweet Pepper 'California Wonder'

Capsicum annuum 'California Wonder'

A bush with lots of green leaves and yellow flowers

The gold standard for home garden bell peppers since 1928, this reliable heirloom produces thick-walled, blocky peppers that are perfect for stuffing, grilling, or eating fresh. Known for consistent production and excellent disease resistance, it's the variety that taught generations of gardeners how to grow peppers successfully. The classic choice that never goes out of style.

Harvest

70-75d

Days to harvest

📅

Sun

Blossom-End Rot of Tomato

☀️

Zones

4–11

USDA hardiness

🗺️

Height

1-3 feet

📏

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 Sweet Pepper 'California Wonder' in USDA Zone 7

All Zone 7 pepper

Zone Map

Click a state to update dates

CANADAUSAYTZ3NTZ3NUZ3BCZ8ABZ3SKZ3MBZ3ONZ5QCZ4NLZ4NBZ5NSZ6PEZ6AKZ3MEZ4WIZ4VTZ4NHZ5WAZ7IDZ5MTZ4NDZ4MNZ4MIZ5NYZ6MAZ6CTZ6RIZ6ORZ7NVZ7WYZ4SDZ4IAZ5INZ6OHZ6PAZ6NJZ7DEZ7CAZ9UTZ5COZ5NEZ5ILZ6WVZ6VAZ7MDZ7DCZ7AZZ9NMZ7KSZ6MOZ6KYZ6TNZ7NCZ7SCZ8OKZ7ARZ7MSZ8ALZ8GAZ8TXZ8LAZ9FLZ9HIZ10

Sweet Pepper 'California Wonder' · Zones 411

What grows well in Zone 7?

Growing Details

Difficulty
Easy
Spacing18-24 inches
SoilWell-drained, fertile loam
pH6.0-7.0
Water1-1.5 inches per week, consistent moisture
SeasonWarm season
FlavorSweet, crisp, no heat (0 Scoville), classic bell pepper flavor
ColorGreen maturing to bright red
Size4-5 inches long, 3-4 inches wide

Zone-by-Zone Planting Calendar

ZoneIndoor StartTransplantDirect SowHarvest
Zone 3April – AprilJune – JulyAugust – October
Zone 4March – AprilJune – JuneAugust – October
Zone 5March – MarchMay – JuneAugust – October
Zone 6March – MarchMay – JuneJuly – September
Zone 7February – MarchApril – MayJuly – September
Zone 8February – FebruaryApril – MayJune – August
Zone 9January – JanuaryMarch – AprilMay – July
Zone 10January – JanuaryFebruary – MarchMay – July

Complete Growing Guide

Light: Blossom-End Rot of Tomato, Pepper, and Watermelon. Soil: Clay, High Organic Matter, Loam (Silt), Sand. Soil pH: Acid (<6.0), Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage. Water: KAP-sih-kum AN-yoo-um. Height: 1 ft. 0 in. - 3 ft. 8 in.. Spread: 0 ft. 6 in. - 1 ft. 0 in.. Spacing: 12 inches-3 feet. Growth rate: Medium. Maintenance: 'Aurora', 'Basket of Fire', 'Black Pearl', 'Buena Mulata', 'Calico', 'California Wonder', 'Candelabra', Cerasiforme Group, 'Chilly Chili', Conioides Group, 'Early Jalapeno', Fasciculatum Group, Grossum Group, 'Hot Returns', Longum Group, 'Mad Hatter', 'Purple Flash', 'Sweet orange', 'Sweet Sunset'. Propagation: Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

Fruits are a non-pulpy berry and vary considerably across cultivars. Some are long, thin, bright red, and spicy; others are thick, large, and sweet-tasting; others still are small and in ornamental shapes and colors, grown as decoration.

Color: 'Aurora', 'Basket of Fire', 'Black Pearl', 'Buena Mulata', 'Calico', 'California Wonder', 'Candelabra', Cerasiforme Group, 'Chilly Chili', Conioides Group, 'Early Jalapeno', Fasciculatum Group, Grossum Group, 'Hot Returns', Longum Group, 'Mad Hatter', 'Purple Flash', 'Sweet orange', 'Sweet Sunset'. Type: Berry. Length: 1-3 inches. Width: < 1 inch.

Garden value: Edible, Good Dried, Showy

Harvest time: Summer

Bloom time: Summer

Edibility: Fruits edible, but spiciness is unpredictable in intensity.

Storage & Preservation

Fresh California Wonder peppers store best in the refrigerator's crisper drawer, where they'll maintain quality for 1-2 weeks. Don't wash before storing—moisture accelerates decay. For counter storage, use within 3-4 days.

For long-term preservation, these thick-walled peppers excel at freezing. Remove stems and seeds, cut into strips, and freeze on baking sheets before transferring to freezer bags. They'll maintain quality for 10-12 months. The substantial walls also make California Wonder ideal for pickling—their firm texture holds up well to the vinegar brine.

For dried pepper flakes, slice peppers into rings and dehydrate at 125°F until brittle. California Wonder's mild sweetness creates excellent seasoning blends when dried and ground with herbs.

History & Origin

Origin: Tropical North and South America

Advantages

  • +Disease resistance: Deer, Drought, Heat
  • +Attracts: Songbirds
  • +Wildlife value: Birds are immune to the capsaicin in peppers and can safely eat the fruits with no ill effects. Therefore, these plants may attract birds. Host plant for Potato Tuber Moth.
  • +Edible: Fruits edible, but spiciness is unpredictable in intensity.

Companion Plants

Plant Together

+

Basil

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

+

Tomatoes

Similar growing requirements and can share space efficiently, both benefit from same soil conditions

+

Oregano

Repels aphids and provides ground cover to retain soil moisture

+

Parsley

Attracts beneficial insects like hoverflies that prey on pepper pests

+

Carrots

Helps break up soil for pepper roots and doesn't compete for nutrients

+

Onions

Repels aphids, thrips, and other soft-bodied insects that damage peppers

+

Marigolds

Deters nematodes, aphids, and whiteflies with their strong scent

+

Nasturtiums

Acts as trap crop for aphids and cucumber beetles, drawing them away from peppers

Keep Apart

-

Black Walnut Trees

Releases juglone toxin that stunts pepper growth and can kill plants

-

Fennel

Produces allelopathic compounds that inhibit pepper growth and development

-

Brassicas

Compete heavily for nutrients and can stunt pepper growth due to different soil pH preferences

-

Apricot Trees

Can harbor verticillium wilt which easily spreads to peppers

Nutrition Facts

Calories
27kcal
Protein
1.66g
Fiber
3.4g
Carbs
5.35g
Fat
0.45g
Vitamin C
82.7mg
Vitamin A
17mcg
Vitamin K
9.5mcg
Iron
0.46mg
Calcium
14mg
Potassium
256mg

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #169394)

Pests & Disease Resistance

Resistance

Good resistance to tobacco mosaic virus

Common Pests

Aphids, pepper hornworms, flea beetles, cutworms

Diseases

Bacterial spot, blossom end rot, anthracnose

Frequently Asked Questions

How long does California Wonder pepper take to grow?
California Wonder peppers take 70-75 days from transplant to first harvest when picked green, or 85-90 days if you want red ripe peppers. Start seeds indoors 8-10 weeks before your last frost date, so total time from seed to harvest is approximately 18-20 weeks.
Is California Wonder good for beginner gardeners?
Yes, California Wonder is considered the best beginner pepper variety. It's extremely forgiving, produces reliably even with inconsistent care, has good disease resistance, and gives clear visual cues when peppers are ready to harvest. Its consistent performance has made it the go-to teaching variety for nearly 100 years.
Can you grow California Wonder peppers in containers?
California Wonder grows excellently in containers. Use a 5-gallon pot minimum with drainage holes, quality potting mix, and provide support with a 3-4 foot stake. Container plants may need more frequent watering and feeding, but often produce earlier than garden-planted peppers due to warmer soil temperatures.
What does California Wonder pepper taste like?
California Wonder has the classic sweet bell pepper flavor—crisp, mildly sweet, with no heat (0 Scoville units). When harvested green, it has a fresh, slightly grassy note. Red ripe peppers develop a deeper sweetness with subtle fruity undertones, making them excellent for both raw and cooked applications.
When should I plant California Wonder pepper seeds?
Start California Wonder seeds indoors 8-10 weeks before your last expected frost date. Transplant outdoors only after soil reaches 60°F and nighttime temperatures stay consistently above 50°F. In most areas, this means starting seeds in February-March for May transplanting.
California Wonder vs King Arthur pepper - what's the difference?
California Wonder (1928) is the classic thick-walled variety with reliable production but slower maturity (75 days). King Arthur is a newer hybrid that matures faster (65 days) with even thicker walls and better heat tolerance, but lacks the proven track record and may not produce as consistently in marginal conditions.

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