100 Blue Sea Holly Eryngium Planum Seeds

Blue Sea Holly Eryngium Planum Seeds

Season: Perennial
USDA Zones: 4 - 8
Height: 48 inches
Bloom Season: Early summer to late summer
Bloom Color: Blue
Environment: Full sun
Soil Type: Any well-drained soils, pH 5.8 - 6.8

Planting Directions

Temperature: 60 - 72F
Average Germ Time: 21 - 28 days
Light Required: Yes
Depth: Cover seed with vermiculite, sand or substrate after sowing
Moisture: Keep soil slightly moist but not wet until germination
Plant Spacing: 18 inches