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Tall Larkspur

Delphinium Exaltatum

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Overview

The Tall Larkspur, Delphinium exaltatum, captivates with stately spires of vivid blue flowers reaching heights of 3 to 6 feet. Ideal for USDA zones 3-7, it thrives in full sun to part shade. It requires well-drained soil to flourish and typically blooms in mid to late summer. Caution: All parts are toxic if ingested. Its dramatic height makes it a striking backdrop for perennial borders.

Sun FullWater Extra in Summer, MediumZones 3–7Type Perennial
Tall Larkspur (Delphinium Exaltatum) — captivates with stately spires of vivid blue flowers reaching heights of 3 to 6 feet
Tall Larkspur (Delphinium Exaltatum) — especially during dry spellsTall Larkspur (Delphinium Exaltatum) — perennial for fullTall Larkspur (Delphinium Exaltatum) — It requires well-drained soil to flourish and typically blooms in mid to late summerTall Larkspur (Delphinium Exaltatum) — medium to dark green leaves that form a bushy mound at the base of the plant; but care should be taken to avoidTall Larkspur (Delphinium Exaltatum) — It is also a superb candidate for cottage-style and pollinator gardens as it is favored by beesTall Larkspur (Delphinium Exaltatum) — Caution: All parts are toxic if ingested+52

Culture

Sun
Full
Water
Extra in Summer, Medium
USDA zones
3–7

Shape & size

Mature height
4–6 Ft.
Mature width
1–2 Ft.

Classification

Type
Perennial
Family
Ranunculaceae

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Photos (59)

Tall Larkspur (Delphinium Exaltatum) — captivates with stately spires of vivid blue flowers reaching heights of 3 to 6 feet
Tall Larkspur (Delphinium Exaltatum) — especially during dry spells
Tall Larkspur (Delphinium Exaltatum) — perennial for full
Tall Larkspur (Delphinium Exaltatum) — It requires well-drained soil to flourish and typically blooms in mid to late summer
Tall Larkspur (Delphinium Exaltatum) — medium to dark green leaves that form a bushy mound at the base of the plant; but care should be taken to avoid
Tall Larkspur (Delphinium Exaltatum) — It is also a superb candidate for cottage-style and pollinator gardens as it is favored by bees
Tall Larkspur (Delphinium Exaltatum) — Caution: All parts are toxic if ingested
Tall Larkspur (Delphinium Exaltatum) — sapphire blue flowers which can reach impressive heights of up to 4 to 6 feet tall when properly supported; captivates
Tall Larkspur (Delphinium Exaltatum) — This species requires a planting site with full to partial sunlight and thrives in well-drained
Tall Larkspur (Delphinium Exaltatum) — due to its vertical growth habit
Tall Larkspur (Delphinium Exaltatum) — but care should be taken to avoid waterlogging; purple flowers in the garden
Tall Larkspur (Delphinium Exaltatum) — Its dramatic height makes it a striking backdrop for perennial borders; is a stately perennial that brings a touch of
Tall Larkspur (Delphinium Exaltatum) — It requires well-drained soil to flourish and typically blooms in mid to late summer; and is an ideal backdrop for
Tall Larkspur (Delphinium Exaltatum) — as this can lead to root rot.<br><br>Tall Larkspur is excellent for the back borders of garden beds
Tall Larkspur (Delphinium Exaltatum) — all parts of the plant are toxic if ingested; making it suitable for a variety of temperate climates
Tall Larkspur (Delphinium Exaltatum) — Its dramatic height makes it a striking backdrop for perennial borders
Tall Larkspur (Delphinium Exaltatum) — but care should be taken to avoid waterlogging
Tall Larkspur (Delphinium Exaltatum) — and hummingbirds.<br><br>Hardiness zones for Delphinium exaltatum range from 4 to 8
Tall Larkspur (Delphinium Exaltatum) — Caution: All parts are toxic if ingested; perennial with purple blooms
Tall Larkspur (Delphinium Exaltatum) — purple flowers in the garden
Tall Larkspur (Delphinium Exaltatum) — fertile soil with a slightly basic pH; it requires well-drained soil to flourish and typically blooms in mid to late
Tall Larkspur (Delphinium Exaltatum) — due to its vertical growth habit; fertile soil with a slightly basic pH
Tall Larkspur (Delphinium Exaltatum) — and is an ideal backdrop for shorter perennials and annuals
Tall Larkspur (Delphinium Exaltatum) — It boasts soaring spires of deep
Photographs by 8 contributors

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