Growing peppers can be very challenging and rewarding. An excellent source of Vitamin C.
Hints:

Start plants 8 to 10 weeks prior to transplanting outdoors.

Sow seed 7 mm [1/4"] deep.

Plant outdoors when soil is warm.

When full size, pick promptly to encourage new growth.

If temperature drops below 7°C, fruit set will be hindered

California Wonder - 72 days from transplant. Special mosaic resistant stock. Thick walled, blocky fruits 10 cm long and 9 cm across [4x3.5"] 3-4 lobes. Smooth glossy green peppers borne upright on 60-75 cm [24-30"] plants. Peppers will turn red if left to fully mature. Excellent for stuffing and recommended for freezing.