Success With Seeds Verbascum

Verbascum Germination Information

Verbascum is the botanical name for Mullein
Verbascum Seed Germination How to Sow Verbascum:
  • Best sown indoors at alternating temperatures of 68 and 86° with germination occurring in 15-20 days
  • Seeds can also be sown outdoors in spring or summer, up to two months before first frost, with germination occurring the following spring
  • Seeds are very small
  • When sowing seed outdoors, we recommend a maximum planting depth of 4X the width of the seed

How to Grow Verbascum:
Transplanting: Transplant when there are at least two sets of true leaves

Spacing:  Space 12-18 inches apart in full sun

Soil: Site in a slightly alkaline, well-drained soil. Very tolerant of low fertility soils

Additional Care: Sometimes thought to be a biennial; to ensure perennial status, cut back the flower stalks to prevent them from going to seed. However, if plants are allowed to go to seed, they will readily self sow

Appearance and Use:

A vigorous, coarse-textured perennial for use in borders and for naturalizing. The habit is that of a clump of 2-10 inch long, fuzzy, gray-white basal leaves. From this low-growing clump arises tall (3-6 feet), stout, multi-branched racemes of 1 inch diameter, saucer-shaped, yellow flowers with centers of purple stamens. The flowers appear in mid-summer through early fall. V. chaixii f. album has white flowers with mauve stamens

About Verbascum:
Pronunciation:  ver-bas’kum
Lifecycle:  Perennial
Origination: Scrophulariaceae; native to Europe
Common Name: Mullein