California Wonder 300

Family: Solanaceae Sweet Pepper

Sink your senses into California Wonder 300’s glossy, thick-walled bells—crisp, sweet, and richly aromatic as they ripen from deep green to a saturated red.

The fruit holds a handsome, blocky shape with a satisfying crunch, making it a standout for fresh slicing, vibrant roasting, and colorful stuffing-ready portions. Grow this reliable 75-day bell for bold color and dependable performance in the home garden.

Light: Full SunMaturity: 75 DaysHabit: Bush

Botanical illustration of California Wonder 300

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

Milestone	Date
Start Indoors	Feb 28th
Last Frost	Apr 25th
Transplant / Sow Outdoors	Jun 20th
Harvest Begins	Sep 3rd
Harvest Ends	Oct 16th

Crop Details

Trait	Value
Days to Maturity	75
Sun Requirements	Full Sun
Growth Habit	Bush
Support Needed	Stake
Planting Depth	Normal
Germination Temp (°F)	80
Min Soil Temp (°F)	60
Min Night Temp (°F)	50
Harden Off (days)	10

Culinary Notes

Chef's Note

California Wonder 300’s thick wall and steady sweetness make it a bell that survives heat without turning soft or hollow—more crunch than watery pop. Use it for high-visibility slices or a deep-roast/char treatment where the aroma turns smoky and the interior stays pleasantly firm.

Best Uses

thick fresh slices on salads where they keep crunch
roasting/char-grilling for sweet, caramel-leaning edges
stuffed pepper portions that hold shape and don’t collapse
quick sauté or stir-fry slices for snap-tender texture

Flavor Profile

sweet, almost candy-like pepper flavor crisp, thick-walled crunch with low watery bite roasty, lightly smoky aroma when charred clean vegetal sweetness that stays bright

Kitchen Pairings

garlic olive oil balsamic vinegar feta cheese chicken sausage eggs

Frequently Asked Questions

What’s a common disease pest for Capsicum annuum (California Wonder) and how do I stop it?

Watch for aphids and spider mites, which quickly weaken pepper plants by sucking sap from tender growth. Spray affected plants with a strong jet of water first, then apply insecticidal soap, repeating every 5–7 days until you no longer see new clusters. If you see leaf yellowing that spreads with damp conditions, improve airflow and avoid wetting foliage when watering.

How often should I water California Wonder peppers during the main growing phase?

During active growth and fruit set, keep soil evenly moist but not soggy—aim for about 1–2 inches of water per week depending on heat and soil drainage. Water deeply when the top 1 inch of soil feels dry, and maintain steady moisture to prevent blossom-end rot (a common stress issue in peppers). Use mulch to reduce moisture swings around the plants.

How can I tell when California Wonder peppers are ready to harvest?

Harvest peppers about 75 days after transplanting when fruits reach full size and their color matches the variety stage you want (green to red). Look for firm, glossy fruit skin and that the pepper easily detaches with a twist rather than pulling hard. Don’t wait for extreme softness—overripe peppers become less crisp and may stop producing as actively.