key growing information

How to Grow Cerinthe (Honeywort) From Seed

How to grow cerinthe (honeywort) from seed: starting in cell packs or sowing direct, growing temperature, sun and soil, spacing and when to cut.
By Hensley’s Seed Co.

Cerinthe - Key Growing Information

Cerinthe flowers in bloom; its tubular blossoms are commonly referred to as honeywort.

DAYS TO GERMINATION:

Allow 5–21 days at 65–85°F (18–29°C).

SOWING:

Transplants are recommended. About 6 weeks before the last frost, sow directly into cell packs. Harden seedlings off and plant out after the last frost.
Direct seed: Sow 1/4" deep once the last frost has passed.

GROWING ON:

Keep plants at 65–75°F (18–24°C) and feed them regularly.

LIGHT PREFERENCE:

Full sun.

SOIL REQUIREMENTS:

Moderately fertile soil with good drainage.

PLANT SPACING:

12–18" apart.

HARDINESS ZONES:

Grown as an annual.

HARVEST:

For fresh use, cut once the bracts have deepened to blue and the flowers are purple.

USES:

Cut flowers, beds and borders. Popular with bees and hummingbirds.

SCIENTIFIC NAME:

Cerinthe major purpurascens

ALTERNATE NAMES:

Honeywort

Source and attribution

Migrated library resource. Original named people, organizations, research, and factual provenance are retained.