Dark French Psyllium (Plantago psyllium), also known as Fleawort, is a compact specialty annual valued for its grassy foliage and slender flowering spikes. This non-GMO variety grows well in dry and warm sites, offering unique texture for naturalized beds, xeriscapes, wildflower plantings, and low-maintenance garden borders. Easy to grow and adaptable, it performs well in sandy soils and sunny sites.

Features

• Non-GMO heirloom fleawort variety
• Compact, grass-like ornamental foliage
• Grows well in dry, sandy, and low-maintenance landscapes
• Good for wildflower meadows, borders, and specialty garden collections
• Small flowers on upright spikes for subtle ornamental interest
• Heat-tolerant annual suitable for warm climates

Specifications

• Common Name: French Psyllium, Fleawort
• Scientific Name: Plantago psyllium
• Plant Type: Annual
• USDA Zones: 4–11 (grows as warm-season annual)
• Season: Spring to summer growth period
• Height: 6–20 inches
• Foliage: Narrow, grassy leaves
• Bloom: Small pale flowers on short spikes
• Heirloom: Yes
• GMO Status: Non-GMO
• Organic: Not certified organic
• Light Requirements: Full sun
• Soil Preference: Sandy or well-drained soil
• Water Needs: Low to moderate
• Growth Rate: Fast
• Heat Tolerance: High
• Cold Tolerance: Low (killed by frost)
• Plant Spacing: 6–12 inches
• Seed Longevity: 2–3 years in cool, dry storage

Planting Guide 

• Sowing Method: Direct sow or start in containers for transplanting.
• Seed Preparation: No pre-treatment needed.
• When to Plant:
• Outdoors after last frost
• Indoors 4–6 weeks early in cooler climates
• Sowing Depth: 1/8 inch; barely cover with soil.
• Germination Time: 5–15 days in warm soil.
• Light Requirements: Full sun is best for compact growth.
• Soil Conditions: Prefers sandy or well-drained soils.
• Watering: Keep lightly moist during germination; reduce watering later.
• Maintenance:
• Avoid overwatering in mature plants
• Remove spent stems to keep plants tidy
• Useful in dry garden designs and naturalized areas