White Marshmallow (Althaea officinalis) is a perennial herb valued for its ornamental white flowers and traditional medicinal uses. The plant produces lush foliage and tall stems topped with showy white blooms, making it perfect for herb gardens, borders, and pollinator-friendly landscapes.

These Non-GMO White Marshmallow Seeds thrive in full sun to partial shade and well-drained, fertile soil. Once established, the plant is low-maintenance, drought-tolerant, and attracts pollinators such as bees and butterflies. Its leaves and roots have been historically used in herbal remedies, while the flowers add ornamental appeal.

Features

• Perennial herb with showy white flowers
• Non-GMO seed quality
• Thrives in full sun to partial shade and well-drained soil
• Low-maintenance, drought-tolerant perennial
• Attracts pollinators including bees and butterflies
• Ideal for herb gardens, borders, and medicinal plantings
• Ornamental and edible dual-purpose plant
• Traditional medicinal herb for leaves and roots

Specifications

• Botanical Name: Althaea officinalis
• Common Name: White Marshmallow
• Seed Type: Non-GMO
• Plant Type: Perennial herb
• USDA Zones: 4–9
• Sun Exposure: Full sun to partial shade
• Soil Type: Well-drained, fertile soil
• Water Needs: Moderate; drought-tolerant once established
• Height: 3–6 feet
• Spacing: 18–24 inches
• Bloom Time: Summer
• Flower Color: White
• Season for Planting: Spring
• Germination Time: 14–28 days
• Germination Temperature: 65–75°F
• Sowing Method: Surface sow; lightly cover seeds
• Growth Habit: Upright, bushy perennial
• Maintenance Level: Low
• Uses: Ornamental garden, borders, herb gardens, pollinator-friendly planting, medicinal herb

Planting Guide

• Soil Preparation: Use fertile, well-draining soil; amend lightly with compost.
• Sowing Time: Direct sow outdoors in spring or start indoors 6–8 weeks early.
• Seed Depth: Lightly cover seeds with 1/8 inch soil.
• Watering for Germination: Keep soil moist until seedlings emerge.
• Germination Window: 14–28 days depending on temperature.
• Light Requirements: Full sun to partial shade for optimal flowering.
• Thinning: Space seedlings 18–24 inches apart.
• Watering After Establishment: Moderate; drought-tolerant once mature.
• Maintenance Tips: Prune lightly to maintain shape; remove spent flowers to encourage more blooms.
• Seasonal Care: Low-maintenance perennial with ornamental and medicinal uses.