Photo by Melody

PlantFiles: Verbascum
Verbascum roripifolium

Family: Scrophulariaceae (skrof-yoo-larr-ee-AY-see-ee) (Info)
Genus: Verbascum (ver-BASK-um) (Info)
Species: roripifolium

One member has or wants this plant for trade.


36-48 in. (90-120 cm)

15-18 in. (38-45 cm)
18-24 in. (45-60 cm)

USDA Zone 3a: to -39.9 C (-40 F)
USDA Zone 3b: to -37.2 C (-35 F)
USDA Zone 4a: to -34.4 C (-30 F)
USDA Zone 4b: to -31.6 C (-25 F)
USDA Zone 5a: to -28.8 C (-20 F)
USDA Zone 5b: to -26.1 C (-15 F)
USDA Zone 6a: to -23.3 C (-10 F)
USDA Zone 6b: to -20.5 C (-5 F)
USDA Zone 7a: to -17.7 C (0 F)
USDA Zone 7b: to -14.9 C (5 F)

Sun Exposure:
Full Sun


Bloom Color:
Pale Yellow
Bright Yellow

Bloom Time:
Late Spring/Early Summer
Mid Summer
Late Summer/Early Fall


Other details:
This plant is attractive to bees, butterflies and/or birds
Average Water Needs; Water regularly; do not overwater

Soil pH requirements:
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
7.6 to 7.8 (mildly alkaline)
7.9 to 8.5 (alkaline)

Patent Information:

Propagation Methods:
From seed; direct sow outdoors in fall

Seed Collecting:
Allow seedheads to dry on plants; remove and collect seeds

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2 positives
No neutrals
No negatives

Gardeners' Notes:

Positive coriaceous On Jan 25, 2014, coriaceous from ROSLINDALE, MA wrote:

I agree completely, this strikingly and elegantly beautiful plant deserves to be better known and more commonly planted!

I was first bowled over by this airy and graceful plant in the gardens at Perennial Pleasures, East Hardwick VT Z4a, where it's a self-sowing biennial. A cloud of soft clear lemon yellow flowers floats like a flock of butterflies, suspended on a tall, well-branched inflorescence.

The leafless upper stems are thin and wiry but strong and self-supporting. No staking is necessary, and the flowers are self-cleaning. Flowering is abundant over a long season, June-August.

This is a scrim or see-through plant---though it's tall, in a border it's best placed toward the front, because through it you can still see the tall plants behind it, and because the small low evergreen rosette will not tolerate the shade of larger plants.

The leaves are glossy, dark green and deeply cut, their texture almost lacy. I am astonished that such a small rosette of foliage can support so many flowers!

This species requires good drainage and prefers rich soils. It makes an excellent rock garden plant.

Positive Helenlittleash On Aug 30, 2011, Helenlittleash from Exeter
United Kingdom wrote:

A beautiful airy addition to the summer border, rarely grown or offered for sale in the UK, this lovely plant deserves to be better known. Native to Bulgaria and N Greece.


This plant has been said to grow in the following regions:

East Hardwick, Vermont

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