California Wonder Sweet Peppers in a yellow bowl on a white background.
Several California Wonder Sweet Peppers some green and red on a white background.
Green California Wonder Sweet Peppers in and on top of a wooden box surrounded by sliced peppers on a blue background.
California Wonder Sweet Pepper, one green and one reddish-green in the hand of a gardener.
California Wonder Sweet Peppers in a yellow bowl on a white background.
Several California Wonder Sweet Peppers some green and red on a white background.
Green California Wonder Sweet Peppers in and on top of a wooden box surrounded by sliced peppers on a blue background.
California Wonder Sweet Pepper, one green and one reddish-green in the hand of a gardener.

Sweet Pepper Seeds,
California Wonder

3.519 ReviewsSKU: #PP106Min. seed count: 25
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Description

(Capsicum annuum). One of the oldest and largest heirloom bell peppers available. First introduced by California growers around 1928. Tall, sturdy plants produce good yields of blocky, thick-walled fruit. A delicious green pepper that ripens to a vibrant red.

Growing Tips: California Wonder sweet peppers thrive in full sun and fertile, well-drained soil. Mulch to retain moisture and suppress weeds. Fertilize monthly with a balanced organic feed. Consistent watering is key to avoiding blossom end rot and ensuring high fruit quality. Plants benefit from staking when heavily laden with fruit. Peppers often appreciate a bit of afternoon shade during the hottest summer weather.

Plant Details

Botanical Name
Capsicum annuum
Life Cycle
Perennial in frost free zones; grown as an annual elsewhere.
Sun Requirement
Full sun
Days to Germinate
7–14
Days to Maturity
70–80
Planting Depth
¼ in.
Plant Spacing
18–24 in.
Ideal Temperature
70–85°F
Frost Hardy
No

When to Grow

Start seeds indoors 8–10 weeks before your last spring frost. Transplant outdoors after all danger of frost has passed and nighttime temperatures remain above 60°F. If you’re not sure how to find your first and last frost dates, consult our blog post 'Our Experts Answer Questions, Share Resources.'

How to Sow and Plant

Sow seeds 1/4 inch deep in a seed-starting mix and keep soil between 75–85°F for best germination. Maintain even moisture and provide strong light. Once seedlings have two sets of true leaves, pot up and harden off before transplanting outdoors.

How to Grow

Transplant into full sun in well-prepared soil enriched with compost or aged manure. Water deeply and regularly, especially during fruit set. Fertilize every 3–4 weeks with a balanced organic fertilizer. Use stakes or cages to support the plant as it matures and fruits heavily.

How to Save Seeds

  • Choose fully ripe red fruits from healthy, true-to-type plants.
  • Cut open the pepper and remove seeds.
  • Spread seeds on a screen or paper towel in a warm, dry place out of direct sunlight.
  • Stir daily to ensure even drying.
  • Once completely dry, store in an airtight container in a cool, dark place.
  • Label with variety and year. Seeds remain viable for up to 4-5 years.

FAQ

Are California Wonder peppers sweet or spicy?

California Wonder peppers are completely sweet with no heat. They are ideal for fresh eating, salads, stuffing, and cooking, making them a versatile favorite in the kitchen and garden.

Can I grow California Wonder peppers in a small space?

Yes, they do well in raised beds or large containers. Use a pot at least 5 gallons in size and place it in full sun. Support the plant as it matures.

Why are my peppers not turning red?

Peppers turn red as they fully mature. If your peppers stay green, they may need more time, warmer temperatures, or better sun exposure to complete the ripening process. Patience pays off.

Browse our full range of sweet pepper seeds.

Customer reviews

3.5 / 5 19 Reviews

What gardeners are saying

  • Thick, juicy flesh: Good flavor picked green or ripened red, with thick walls.

  • Short, stocky plants: Compact plants that still carry good-sized peppers.

  • Plentiful once established: Slow to get going, then plants carry loads of peppers.

  • Second flush in fall: Sets more peppers as autumn cools, even near frost.

  • Heads up: Slow to start and ripen; some plants stall; fruit can sun scald.

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