\n
Tall Larkspur (Delphinium exaltatum)
HerbPerennialModerate

Tall Larkspur

Delphinium exaltatum

Family: Ranunculaceae

Tall Larkspur grows in full sun to partial shade and prefers moist, well-drained soil. Water needs: Moderate.

How to Grow Tall Larkspur

Tall Larkspur growing information includes sunlight requirements of Full sun to partial shade, soil conditions listed as Moist, well-drained soil with a soil pH of 6.0-7.5, and Moderate water needs. The listed hardiness zones are 4-8. For propagation reference, the database lists germination or establishment information for Tall Larkspur as 30-60 days after stratification, with planting or establishment depth listed as 1/8 inch. Days to maturity are listed as 2-3 years.

Plant Overview

Tall Larkspur (Delphinium exaltatum) is listed in the Ranunculaceae family and categorized as a herb with a perennial life cycle. This profile summarizes growing information for hardiness, light, soil, water, seed starting, maturity, and other available cultivation details. Difficulty is listed as Moderate.

Plant ID
PLT-0656
Family
Ranunculaceae
Plant type
Herb
Life cycle
Perennial
Difficulty
Moderate

Growing Conditions

Tall Larkspur is listed for full sun to partial shade conditions. Water needs are listed as moderate. The database soil reference is Moist, well-drained soil. The listed soil pH range is 6.0-7.5, and the listed hardiness range is 4-8.

Hardiness zones
4-8
Sunlight
Full sun to partial shade
Soil
Moist, well-drained soil
Soil pH
6.0-7.5
Water needs
Moderate

Seed & Germination

For seed starting, the listed germination time is 30-60 days after stratification and the seed depth is 1/8 inch. The listed time to maturity is 2-3 years. Use these values as general reference points and adjust for local climate, seed source, and growing conditions.

Germination
30-60 days after stratification
Seed depth
1/8 inch

Harvest & Propagation

Days to maturity
2-3 years
One plant ยท one ecosystem

Find, buy, swap, or sell Tall Larkspur

One World One Seed connects this plant profile to community sellers, plant swaps, storefronts, and participating garden retailers.

Growing Reference Note

Plant performance can vary with climate, soil, weather, cultivar, seed quality, and gardening methods. The values on this page are general database reference ranges rather than a substitute for local extension guidance or seed-packet instructions.