Sea Fennel (Crithmum maritimum) Rock Samphire Edible Herb Vegetable Yellow Flower Seeds

Sea Fennel (Crithmum maritimum), also known as Rock Samphire, is a hardy, salt-tolerant perennial herb prized for its succulent, aromatic leaves. The plant produces clusters of bright yellow flowers, adding color and texture to coastal gardens, borders, and edible herb plantings.

These Non-GMO Sea Fennel Seeds thrive in full sun and well-drained, sandy soil. Once established, the plant is drought-tolerant, requires low maintenance, and produces flavorful leaves for salads, pickling, and culinary dishes. Sea Fennel is ideal for gardeners looking for ornamental and edible value in one plant.

Features

• Edible, salt-tolerant perennial herb
• Non-GMO seed quality
• Produces yellow flowers in summer
• Thrives in full sun and well-drained, sandy soil
• Drought-tolerant and low-maintenance
• Ideal for coastal gardens, borders, and containers
• Aromatic leaves for culinary use: salads, pickles, and seasoning
• Adds ornamental value with flowers and textured foliage

Specifications

• Botanical Name: Crithmum maritimum
• Common Name: Sea Fennel, Rock Samphire
• Seed Type: Non-GMO
• Plant Type: Perennial herb
• USDA Zones: 7–10
• Sun Exposure: Full sun
• Soil Type: Well-drained, sandy or rocky soil
• Water Needs: Low; drought-tolerant once established
• Height: 12–18 inches
• Spacing: 12–18 inches
• Bloom Time: Summer
• Flower Color: Yellow
• Season for Planting: Spring or early summer
• Germination Time: 14–28 days
• Germination Temperature: 65–75°F
• Sowing Method: Surface sow; lightly cover seeds
• Growth Habit: Low-growing, spreading perennial
• Maintenance Level: Low
• Uses: Culinary herb, coastal or rock gardens, borders, containers

Planting Guide

• Soil Preparation: Use sandy or well-draining soil; amend lightly with compost if desired.
• 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 for optimal growth and flowering.
• Thinning: Space seedlings 12–18 inches apart.
• Watering After Establishment: Minimal; drought-tolerant once mature.
• Maintenance Tips: Remove dead leaves to maintain tidy growth; low pruning for shape.
• Seasonal Care: Hardy perennial; low maintenance for coastal gardens.