Grown Sweet Pepper 'King Arthur'?

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Sweet Pepper 'King Arthur' — Peppers

70-75days to harvest

10-21days to germinate

Z4–11USDA zones

Moderatedifficulty

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 soil rich in organic matter
Soil pH: 6.0-7.0
Spacing: 18-24 inches
Height: 1-3 feet
Season: Warm season

Appearance & flavour

Colour: Deep red when mature, green when young
Size: 4.5-5 inches long, 4 inches wide
Shape: Large blocky bell with thick walls
Flavour: Sweet, crisp, and juicy with no bitterness

In the kitchen

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

Pests, disease & resistance

Pests: Aphids, spider mites, pepper weevils, cutworms
Diseases: Bacterial spot, anthracnose, pepper mild mottle virus
Resistance: Resistant to tobacco mosaic virus

Planting calendar by USDA zone

Zone	Start indoors	Transplant	Direct sow	Harvest
1	May	July – August	—	September – August
2	April – May	June – July	—	September
3	April	June – July	—	August – October
4	March – April	June	—	August – October
5	March	May – June	—	August – October
6	March	May – June	—	July – September
7	February – March	April – May	—	July – September
8	February	April – May	—	June – August
9	January	March – April	—	May – July
10	January	February – March	—	May – July
11	January	January – February	—	April – June
12	January	January – February	—	April – June
13	January	January – February	—	April – June

Companion planting

8 beneficial pairings indexed for this variety, 4 to avoid.

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

TomatoesShare similar growing conditions and pest management, can be grown together efficiently

MarigoldsRepel nematodes, aphids, and whiteflies while attracting beneficial insects

OreganoDeters pests like aphids and spider mites with its strong aromatic oils

CarrotsHelp break up soil for pepper roots and don't compete for the same nutrients

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

ParsleyAttracts beneficial insects like hoverflies and parasitic wasps that control pepper pests

NasturtiumsAct as trap crop for aphids and cucumber beetles while repelling squash bugs

Avoid

FennelReleases allelopathic compounds that inhibit growth of peppers and most vegetables

Black WalnutProduces juglone toxin that causes wilting and stunted growth in peppers

BrassicasCompete heavily for nutrients and may stunt pepper growth through root competition

Apricot TreesCan harbor verticillium wilt which easily spreads to peppers and causes plant death

Nutrition (per 100 g)

Calories (per 100 g): 27
Protein (g): 1.66
Fat (g): 0.45
Carbohydrate (g): 5.35
Fibre (g): 3.4
Sugars (g): 1.95
Vitamin A (µg): 17
Vitamin C (mg): 82.7
Vitamin E (mg): 0.69
Vitamin K (µg): 9.5
Vitamin B6 (mg): 0.357
Folate (µg): 29
Calcium (mg): 14
Iron (mg): 0.46
Magnesium (mg): 17
Phosphorus (mg): 32
Potassium (mg): 256
Zinc (mg): 0.25
Selenium (µg): 0.3

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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.

Sowing

Cultivation

Appearance & flavour

In the kitchen

Pests, disease & resistance

Planting calendar by USDA zone

Companion planting

Avoid

Nutrition (per 100 g)

Where to buy seed and equipment

Grown Sweet Pepper 'King Arthur'?

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