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Giant Red Beard

Allium hollandicum 'Giant Red Beard'

A showstopping ornamental allium that creates dramatic 6-inch purple globes on tall stems, making it a favorite for cutting gardens and perennial borders. This Dutch hybrid blooms in late spring with hundreds of star-shaped flowers that attract beneficial insects and dry beautifully for arrangements. The spherical flower heads are perfectly geometric and long-lasting.

Harvest

90-120d

Days to harvest

📅

Sun

Full sun to partial shade

☀️

Zones

4–9

USDA hardiness

🗺️

Height

24-30 inches

📏

Planting Timeline

Zone:

Jan

Feb

Mar

Apr

May

Jun

Jul

Aug

Sep

Oct

Nov

Dec

Direct Sow

Harvest

Direct Sow

Harvest

Showing dates for Giant Red Beard in USDA Zone 7

All Zone 7 allium →

Zone Map

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Giant Red Beard · Zones 4–9

What grows well in Zone 7? →

Growing Details

Difficulty

Easy

Spacing6-8 inches

SoilWell-drained soil, excellent drainage essential to prevent bulb rot

pH6.0-8.0

WaterModerate water during growth, dry summer dormancy preferred

SeasonSpring blooming, planted in fall

FlavorNot grown for culinary use - ornamental variety

ColorDeep purple-violet flower globes

Size6-inch diameter flower heads on 3-4 foot stems

Zone-by-Zone Planting Calendar

Zone	Indoor Start	Transplant	Direct Sow	Harvest
Zone 3	—	—	May – June	August – October
Zone 4	—	—	April – June	August – October
Zone 5	—	—	April – May	July – November
Zone 6	—	—	April – May	July – November
Zone 7	—	—	March – May	July – November
Zone 8	—	—	March – April	June – December
Zone 9	—	—	February – March	May – December
Zone 10	—	—	January – March	May – December

Complete Growing Guide

Light: Full sun (6 or more hours of direct sunlight a day), Partial Shade (Direct sunlight only part of the day, 2-6 hours). Soil: Clay, Loam (Silt), Sand. Soil pH: Alkaline (>8.0), Neutral (6.0-8.0). Drainage: Good Drainage, Moist, Occasionally Dry. Height: 2 ft. 0 in. - 2 ft. 6 in.. Spread: 0 ft. 6 in. - 0 ft. 9 in.. Spacing: 12 inches-3 feet. Growth rate: Medium. Propagation: Division, Seed. Regions: Coastal, Mountains, Piedmont.

Harvesting

Type: Capsule.

Harvest time: Fall, Summer

Bloom time: Spring, Summer

Storage & Preservation

Fresh-cut Giant Red Beard stems last 7-10 days in cool water with flower food. Trim stems under running water and place immediately in a cool room away from direct sunlight. Change water every 2-3 days for maximum vase life.

For drying, bundle 3-4 stems together and hang upside down in a dark, well-ventilated area with low humidity. Avoid basements or areas prone to dampness. Proper drying takes 2-3 weeks, resulting in architectural seedheads that maintain their purple tint for months.

Alternatively, dry stems individually stuck into floral foam for arrangements, which maintains better shape than hanging. Once fully dried, store in boxes with tissue paper in a dry location. Properly dried Giant Red Beard flowers retain their form for 12-18 months in arrangements.

History & Origin

Origin: Iran and Kyrgyzstan

Advantages

+Disease resistance: Deer, Drought, Dry Soil, Rabbits
+Attracts: Butterflies
+Wildlife value: Flowers attract butterflies. Deer and rabbit resistant.

Companion Plants

Plant Together

Tomatoes

Alliums repel aphids, spider mites, and hornworms that commonly attack tomatoes

Brassicas

Alliums repel cabbage worms, flea beetles, and aphids that damage brassica crops

Roses

Alliums repel aphids, thrips, and may reduce black spot and other fungal diseases

Marigolds

Both repel similar pests and marigolds enhance allium's natural pest-deterrent properties

Carrots

Alliums deter carrot fly while carrots help break up soil for allium bulbs

Lettuce

Alliums provide natural pest control against aphids and slugs while using minimal root space

Peppers

Alliums deter aphids, spider mites, and some soil-borne pests that affect pepper plants

Strawberries

Alliums repel slugs, aphids, and nematodes while improving strawberry growth

Keep Apart

Beans

Alliums can inhibit nitrogen fixation by rhizobia bacteria in bean root nodules

Peas

Sulfur compounds from alliums interfere with pea growth and nitrogen fixation

Asparagus

Alliums can stunt asparagus growth and compete for similar soil nutrients

Nutrition Facts

Calories

40kcal(2%)

Protein

1.1g(2%)

Fiber

1.7g(6%)

Carbs

9.34g(3%)

Fat

0.1g(0%)

Vitamin C

7.4mg(8%)

Vitamin A

0mcg(0%)

Vitamin K

0.4mcg(0%)

Iron

0.21mg(1%)

Calcium

23mg(2%)

Potassium

146mg(3%)

Per 100g serving. % Daily Value based on 2,000 calorie diet. Source: USDA FoodData Central (FDC #170000)

Pests & Disease Resistance

Resistance

Good resistance when grown in well-drained soil, deer and rodent resistant

Common Pests

Bulb mites, aphids on flowers

Diseases

Bulb rot in wet conditions, otherwise very disease resistant

Frequently Asked Questions

How long does Giant Red Beard allium take to bloom?▼

Giant Red Beard alliums bloom 90-120 days after fall planting, typically appearing in late May to early June depending on your climate zone. The bulbs require 12-16 weeks of cold winter temperatures below 50°F to trigger spring flowering, so timing varies by location.

Can you grow Giant Red Beard alliums in containers?▼

Yes, but use containers at least 12 inches deep and 10 inches wide per bulb. Excellent drainage is crucial — use a well-draining potting mix with added perlite. Containers must be winterized in zones 3-6 by insulating or moving to an unheated garage to provide necessary cold treatment.

When should I plant Giant Red Beard allium bulbs?▼

Plant bulbs in fall, 6-8 weeks before your area's first hard freeze. This typically means October in zones 3-5, November in zones 6-7, and December in zone 8. Bulbs need extended cold exposure to bloom properly the following spring.

Is Giant Red Beard allium good for beginners?▼

Yes, Giant Red Beard is excellent for beginners if you have well-draining soil. The main requirement is proper drainage — bulbs are nearly foolproof otherwise. They're drought-tolerant, pest-resistant, and require no special care once established, making them ideal for low-maintenance gardens.

Do Giant Red Beard alliums come back every year?▼

Yes, Giant Red Beard alliums are perennial bulbs that return annually and often multiply over time. Allow foliage to die back naturally after blooming to feed next year's flowers. In ideal conditions with good drainage, bulbs naturalize and create larger clumps each season.

What grows well with Giant Red Beard alliums?▼

Giant Red Beard pairs beautifully with late-blooming tulips, early peonies, catmint, and ornamental grasses. Plant hostas or other perennials nearby to hide the yellowing allium foliage after bloom. Roses and lavender make excellent companions in sunny, well-drained locations.