Tall Blue Larkspur
Tall Blue Larkspur, Delphinium exaltatum, thrives in rich well-drained soil in light to medium shade. Native to the woodlands of Ohio and Pennsylvania, it is an important mid-summer nectar source for hummingbirds with a much later bloom time …
Soil Type | Loam, Sand |
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Soil Moisture | Dry, Medium |
Sun Exposure | Partial |
Height | 3' - 5' |
Bloom Color | Blue |
Bloom Time | July, Aug |
Spacing | 1' |
Hardiness Zones | 4, 5, 6, 7 |
Root Type | Fibrous |
Benefits | Hummingbirds |
Tall Blue Larkspur, Delphinium exaltatum, thrives in rich well-drained soil in light to medium shade. Native to the woodlands of Ohio and Pennsylvania, it is an important mid-summer nectar source for hummingbirds with a much later bloom time than other Delphinium species.