How to Grow Blume's White

Wikimedia Commons

Blume's White

Capsicum annuum 'Blume's White'

vegetable

Blume's White is a unique ornamental and culinary pepper variety that produces small, creamy white fruits that mature from green. This heirloom pepper is prized for its unusual coloring and mild flavor, making it both visually striking in the garden and suitable for fresh eating and cooking.

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Example Blume's White timeline · Pittsburgh, PA (Zone 6b)

  1. Plant Blume's White

    Around Apr 17

    Near Pittsburgh's average last spring frost.

  2. Tend & protect

    Late spring–summer

    Watering, feeding, and pest-watch reminders.

  3. Harvest Blume's White

    Around Jun 26

    ≈ 70 days after planting

Sample dates for Pittsburgh, PA. Sign up to get exact Blume's White dates for your own zip code.

Growing Conditions

☀️
Sun: Full sun, 8+ hours daily for best fruit production
💧
Water: Consistent moisture; water deeply when top inch of soil is dry. Avoid waterlogging. Drip irrigation is ideal.
📏
Spacing: 18 inches
📅
Days to maturity: 70-90 days from transplant to first mature fruit
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Planting depth: 0.25 inches for seeds; transplants at soil line

Soil

Type: Well-draining loamy soil rich in organic matter
pH: 6.0-6.8
Amendments:
compost aged manure perlite or coarse sand for drainage

Growing Zones

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Thrives in warm zones 9-11; can be grown as an annual in cooler zones with season extension

9a 9b 10a 10b 11a 11b

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Growth Stages

1

Seedling

3-4 weeks

Small plants with 2-4 true leaves, tender and delicate

Maintain warm conditions (70-80°F), provide bright light or grow lights, keep soil consistently moist but not waterlogged

2

Vegetative

4-6 weeks after transplanting

Plant develops robust branching structure with dark green leaves, no flowers yet

Harden off before transplanting; space appropriately; ensure consistent watering and full sunlight; stake or support if needed

3

Flowering

2-3 weeks

Small white or pale flowers appear at leaf axils; plant becomes bushy and compact

Maintain consistent watering; apply balanced fertilizer every 2-3 weeks; ensure adequate phosphorus and potassium for flower development

4

Fruiting

3-4 weeks per flush

Small green peppers develop and mature to creamy white color; plant may be laden with fruit

Continue regular watering and feeding; remove any diseased fruit; monitor for pests; fruits are ready when fully white and firm

5

Harvest

Ongoing through season

Mature white peppers ready for picking; plant continues producing if managed properly

Harvest regularly to encourage more flowering; cut or snap peppers from stem; plant can be productive for 4-5 months in warm climates

Companion Planting

Plan your garden →

Plant with:

Avoid planting near:

fennel kohlrabi brassicas

Common Pests

  • Increase humidity with overhead watering; spray with neem oil or insecticidal soap; introduce predatory mites if severe

  • Spray with strong water stream; use insecticidal soap or neem oil; encourage natural predators like ladybugs

  • Remove and destroy infested fruit; use pheromone traps; apply spinosad if infestation is severe

  • Use yellow sticky traps; spray with neem oil or insecticidal soap; remove heavily infested leaves

Uses

🍳

Fresh eating and cooking

Culinary

Blume's White peppers have a mild, slightly sweet flavor suitable for eating fresh in salads, slicing for garnish, or cooking in stir-fries and other dishes. Their creamy white color adds visual interest to any dish. [source]

🌿

Garden decoration

Ornamental

The striking creamy white fruits contrasting with dark green foliage make this pepper an attractive ornamental plant for decorative garden beds or container gardening, blurring the line between vegetable and ornamental gardening. [source]

🎨

Seed saving

Craft

As a heirloom variety, Blume's White is excellent for seed saving, allowing gardeners to preserve and propagate this unique cultivar year after year. Allow fully mature fruits to dry on the plant before extracting seeds. [source]

🏠

Drying and preservation

Household

White peppers can be dried whole or sliced for storage and later use in cooking, creating an attractive visual element in dried pepper arrangements or for grinding into seasoning blends. [source]

Harvest Tips

Harvest Blume's White peppers when they reach full creamy white color and feel firm to the touch, typically 70-90 days after transplanting. Cut peppers from the stem with pruners rather than pulling to avoid damaging the plant. Regular harvesting encourages continued fruit production throughout the growing season.

Fun Facts

  • 🌱 Blume's White is a heirloom pepper variety that has been cultivated for generations, with its origins traced to Central and South America where pepper cultivation began over 6,000 years ago.
  • 🌱 The creamy white color of mature fruit is uncommon in peppers and is caused by the absence of capsanthin and other carotenoid pigments, making this variety visually striking in both garden and kitchen.
  • 🌱 Despite being technically a fruit from a botanical perspective (it develops from the flower's ovary), peppers are culinarily classified as vegetables and have become a staple in cuisines worldwide.

Gardening Terms

New to gardening? Learn about terms used in this guide:

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