Peppers
75-80days to harvest
10-14days to germinate
Z4–11USDA zones
Easydifficulty
F1 hybridContainer friendly

Sowing

Start indoors 8-10 weeks before last frost. Transplant outdoors 2-3 weeks after last frost when soil temperature reaches 65°F.

Cultivation

Sun
Full sun (6+ hours)
Water
1-1.5 inches per week, consistent moisture
Soil
Well-drained, fertile loam rich in organic matter
Soil pH
6.0-6.8
Spacing
18-24 inches
Height
1-3 feet
Season
Warm season

Appearance & flavour

Colour
Deep red when mature, green when immature
Size
4-5 inches long, 3-4 inches wide
Shape
Large, blocky, four-lobed bell shape
Flavour
Sweet, crisp, and mild with thick walls

In the kitchen

Fresh eating, stuffing, grilling, roasting, stir-fries, salads, and preserving

Pests, disease & resistance

Pests
Aphids, spider mites, pepper weevil, hornworms
Diseases
Blossom end rot, bacterial spot, verticillium wilt
Resistance
Excellent resistance to bacterial leaf spot and tobacco mosaic virus

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
2April – MayJune – July—September
3AprilJune – July—September – October
4March – AprilJune—August – October
5MarchMay – June—August – October
6MarchMay – June—August – October
7February – MarchApril – May—July – September
8FebruaryApril – May—July – September
9JanuaryMarch – April—June – August
10JanuaryFebruary – March—May – July
11JanuaryJanuary – February—April – June
12JanuaryJanuary – February—April – June
13JanuaryJanuary – February—April – June

Companion planting

8 beneficial pairings indexed for this variety, 3 to avoid.

ParsleyAttracts beneficial insects like hoverflies and parasitic wasps that control pepper pests
NasturtiumsAct as trap crops for aphids and cucumber beetles while repelling whiteflies
BasilRepels aphids, spider mites, and thrips while potentially improving pepper flavor
TomatoesShare similar growing conditions and can help shade pepper roots from intense sun
MarigoldsRepel nematodes, aphids, and whiteflies with their strong scent
OreganoDeters pests like aphids and spider mites while attracting beneficial insects
CarrotsHelp break up soil for pepper root development and don't compete for nutrients
OnionsRepel aphids, thrips, and other pests that commonly attack peppers

Avoid

FennelProduces allelopathic compounds that inhibit pepper growth and development
Black WalnutReleases juglone toxin that causes wilting and stunted growth in peppers
BrassicasCompete heavily for nutrients and may stunt pepper growth due to different soil pH preferences

Nutrition (per 100 g)

Protein (g)
0.715
Fat (g)
0.106
Carbohydrate (g)
4.78
Fibre (g)
0.942
Vitamin C (mg)
99.5
Vitamin B6 (mg)
0.247
Folate (µg)
22.2
Calcium (mg)
7.5
Iron (mg)
0.186
Magnesium (mg)
9
Phosphorus (mg)
16.8
Potassium (mg)
163
Zinc (mg)
0.126
Selenium (µg)
0

Where to buy seed and equipment

Some links are affiliate links. If you buy through them we may earn a commission at no extra cost to you.

Growing it? There is a full cultivation guide at the peppers growing guide.

Cultivar facts compiled from public horticultural references including USDA GRIN and NC State Extension. Descriptions are original to this catalogue.

DarkGrow forum

Grown Bell Pepper 'Red Knight'?

Post a crop report — day counts, reservoir readings, what worked. Variety-specific logs are the most useful thing on the forum.

Similar varieties

Other peppers with a comparable time to harvest, so a season that suits Bell Pepper 'Red Knight' suits these too.

Browse all 73 peppers