90-120days to harvest
21-28days to germinate
Z4–9USDA zones
Easydifficulty
F1 hybridContainer friendly

Sowing

Plant bulbs in fall 3-4 inches deep, 6-8 weeks before hard freeze. Bulbs need cold winter period for spring blooming.

Cultivation

Sun
Full sun to partial shade (4-6+ hours)
Water
Moderate water during growth, dry summer dormancy preferred
Soil
Well-drained soil, excellent drainage essential to prevent bulb rot
Soil pH
6.0-8.0
Spacing
6-8 inches
Height
24-30 inches
Season
Spring blooming, planted in fall

Appearance & flavour

Colour
Deep purple-violet flower globes
Size
6-inch diameter flower heads on 3-4 foot stems
Shape
Perfect spherical flower heads composed of hundreds of small star-shaped flowers
Flavour
Not grown for culinary use - ornamental variety

In the kitchen

Purely ornamental - not edible. Excellent for cut flowers and dried arrangements.

Pests, disease & resistance

Pests
Bulb mites, aphids on flowers
Diseases
Bulb rot in wet conditions, otherwise very disease resistant
Resistance
Good resistance when grown in well-drained soil, deer and rodent resistant

Planting calendar by USDA zone

ZoneStart indoorsTransplantDirect sowHarvest
1——June – JulySeptember
2——May – JulySeptember
3——May – JuneAugust – October
4——April – JuneAugust – October
5——April – MayJuly – November
6——April – MayJuly – November
7——March – MayJuly – November
8——March – AprilJune – December
9——February – MarchMay – December
10——January – MarchMay – December
11——January – FebruaryApril – December
12——January – FebruaryApril – December
13——January – FebruaryApril – December

Companion planting

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

TomatoesAlliums repel aphids, spider mites, and hornworms that commonly attack tomatoes
BrassicasAlliums repel cabbage worms, flea beetles, and aphids that damage brassica crops
RosesAlliums repel aphids, thrips, and may reduce black spot and other fungal diseases
MarigoldsBoth repel similar pests and marigolds enhance allium's natural pest-deterrent properties
CarrotsAlliums deter carrot fly while carrots help break up soil for allium bulbs
LettuceAlliums provide natural pest control against aphids and slugs while using minimal root space
PeppersAlliums deter aphids, spider mites, and some soil-borne pests that affect pepper plants
StrawberriesAlliums repel slugs, aphids, and nematodes while improving strawberry growth

Avoid

BeansAlliums can inhibit nitrogen fixation by rhizobia bacteria in bean root nodules
PeasSulfur compounds from alliums interfere with pea growth and nitrogen fixation
AsparagusAlliums can stunt asparagus growth and compete for similar soil nutrients

Nutrition (per 100 g)

Calories (per 100 g)
40
Protein (g)
1.1
Fat (g)
0.1
Carbohydrate (g)
9.34
Fibre (g)
1.7
Sugars (g)
4.24
Vitamin A (µg)
0
Vitamin C (mg)
7.4
Vitamin E (mg)
0.02
Vitamin K (µg)
0.4
Vitamin B6 (mg)
0.12
Folate (µg)
19
Calcium (mg)
23
Iron (mg)
0.21
Magnesium (mg)
10
Phosphorus (mg)
29
Potassium (mg)
146
Zinc (mg)
0.17
Selenium (µg)
0.5

Where to buy seed and equipment

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Growing it? There is a full cultivation guide at the onions & alliums 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 Giant Red Beard?

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

Similar varieties

Other alliums with a comparable time to harvest, so a season that suits Giant Red Beard suits these too.

Browse all 44 alliums