Plant Database / Larkspur plant care

Larkspur

Delphinium

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Larkspur is a member of the Delphinium family. Its botanical name is Delphinium.

This plant is toxic to pets. ¹

It is a flower and is treated mainly as a perennial, so it grows best over a period of time (3 years and greater). Larkspur is known for its erect habit and growing to a height of approximately 1.00 metres (3.25 feet). This plant tends to bloom in late spring. Popular varieties of Larkspur with home gardeners are Pacific Giant, Black Knight, Pacific Giant King Arthur, Guinevere, and Magic Fountain White Dark Bee.

This plant info is provided by the myfolia gardener's wiki. All details about Larkspur have been kindly provided by our members.

How to grow Larkspur

Full Sun
+
Medium

water weekly in summer if there is not sufficient rain
plant in soil with high organic content
fertilize with organic fertilizer or alfalfa meal every 6 weeks. Cut back after bloom, often reblooms.

Position in a full sun location and remember to water moderately. Larkspur needs a loamy soil with a ph of 6.0 to 7.5 (weakly acidic soil - weakly alkaline soil). Larkspur is generally regarded as a very hardy plant, so this plant will tend to survive through freezing conditions.

Growing Larkspur from seed

By our calculations*, you should look at sowing Larkspur about 49 days before your last frost date .

Transplanting Larkspur

Companion plants for Larkspur

These plants have been known to grow well alongside Larkspur so consider planting:

Repellent plants for Larkspur

These plants will not grow well with Larkspur so avoid planting these within close proximity:

Common Larkspur problems

These problems, diseases and pests are known to affect Larkspur plants:

Powdery Mildew

White powdery spot disease that affects a large variety of plants.

Other names for Larkspur

Larkspur, Delphinium

Latest Larkspur Reviews

04 Sep 2011

LouiseM's Larkspur 'Parisian Pink' was Reviewed day 181

Very happy with these – colour really pops and it has a long blooming season. Not suitable for indoor sowing but germinated fine outdoors.

4 stars
19 Jul 2011

anelson's delphinium was Reviewed day 1159

easy, and a stunningly beautiful blue.

5 stars

See all Larkspur reviews and experiences »

Larkspur care instructions

Category The lifecycle that this Larkspur exhibits. Perennial Difficulty How easy is Larkspur to grow? Help build our wiki!
Lifecycle The lifecycle that this Larkspur exhibits. Perennial Growth Habit What shape or habit does Larkspur grow into? Erect
Hardiness How frost hardy is Larkspur? Very Hardy Country of Origin Where did Larkspur come from? Help build our wiki!
Mature Height How tall does Larkspur grow? 1.00 metres / 3.25 feet Mature Spread How wide does Larkspur grow? 1.00 metres / 3.25 feet
USDA Zone Range Which zones does Larkspur grow best in? to pH Range The level of acidity for Larkspur. 6.0 - 7.5
Water Requirements How much water does Larkspur require? Medium Nitrogen Requirements How much nitrogen fertilizer does Larkspur need? Medium
Soil What sort of soil should I plant Larkspur in? Loam Sun How much sunlight does Larkspur need to grow? Full Sun
Can Sow Direct? Can Larkspur be sown directly? No Sowing Depth How deep to plant Larkspur? Help build our wiki!
Sowing Distance Apart How far apart to plant Larkspur? Help build our wiki! Sowing Row Distance Apart How far apart to plant rows of Larkspur? Help build our wiki!
Ideal Germination Temperature Range What temperatures does Larkspur need in order to germinate? Help build our wiki! to Help build our wiki! Growing Temperatures What temperatures are best to grow Larkspur in? Help build our wiki! to Help build our wiki!
Planting Distance Apart How far apart to plant Larkspur seedlings. 1.00 metres / 3.25 feet Planting Row Distance Apart How far apart to plant rows of Larkspur seedlings. 1.00 metres / 3.25 feet
Bloom Time When will Larkspur bloom? Late Spring Harvest Time When is Larkspur ready for harvest? Help build our wiki!
Pruning Time When should I prune Larkspur? Help build our wiki!

How long does Larkspur take to grow?

These estimates for how long Larkspur takes to sprout, grow and harvest are from real observations from real gardeners, right around the world. Start logging and journaling your observations to participate!

Days to Germination How long does it take Larkspur to germinate? 19 days Average 19 days | Min 8 days | Max 63 days (5)
Days to Transplant How long until I can plant out Larkspur? + 48 days Average 48 days | Min 28 days | Max 116 days (5)
Days to Maturity How long until Larkspur is ready for harvest / bloom? + 47 days Average 47 days | Min 38 days | Max 70 days (3)
Total Growing Days How long does it take to grow Larkspur? = 114 days

Larkspur Tags

Larkspur Forums

Delphiniums

A group about delphiniums.. and larkspur, too.
16 members / 5 topics

Larkspur