perennial

Caribbean Crush Mullein

Verbascum thapsus 'Caribbean Crush'

The Story

Plant Bio

A compact, short-lived perennial forming a basal rosette of leaves from which rise sturdy spikes of bicolored mango-orange and raspberry-rose flowers.

The Caribbean Crush cultivar features bright orange blooms that stand out in the garden and have a longer blooming period.

Uses & Benefits:

Ornamental UsesVerbascum thapsus Caribbean Crush provides striking yellow flowers and silvery foliage, ideal for sunny borders and wild gardens.
Practical UsesIt can be used for natural pest control and soil improvement.
Ecological BenefitsSupports pollinators like bees and butterflies, contributing to local biodiversity.
SpeciesVerbascum thapsusCommon Mullein

Essentials

At a Glance

Plant Type

Perennial

Height

26 inches

Width

16 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8

Water

Moderate

Humidity

Average

Lifespan

Short-lived perennial

Native To

Mediterranean region

Toxicity

Non-toxic

Bloom period

Early summer – Late summer

J
F
M
A
M
J
J
A
S
O
N
D

In flower about 3 months of the year

Planting

How to Grow

  1. Tuck seeds on the soil surface in early spring for best germination.
  2. Mist cuttings lightly to keep soil moist during rooting process.
  3. Water regularly to keep soil evenly moist but not waterlogged.
  4. Thin seedlings to improve air circulation and reduce disease risk.
  5. Fertilize with a balanced fertilizer every 4-6 weeks during active growth.
  6. Mulch around plants to retain moisture and suppress weeds.

Pro Tip

Use well-draining soil and full sun for vigorous growth and abundant flowering.

Keep It Thriving

Care Guide

Do

  • Water deeply once a week during dry spells 🌱
  • Deadhead spent flowers to encourage more blooms
  • Apply a balanced fertilizer in early spring

Don't

  • Avoid overwatering to prevent root rot ❌
  • Don’t disturb roots during flowering period
  • Skip fertilizing in late fall

Seasonal Care Calendar

TaskJanFebMarAprMayJunJulAugSepOctNovDec
Deadhead
Spring Cleanup

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Silvery foliage borderDry hillside accentWildflower meadow

Companion Plants

Multiply

Propagation Methods

Good to Know

Common Questions

Caribbean Crush Mullein questions

What zones can Caribbean Crush Mullein grow in?

Caribbean Crush Mullein is hardy in USDA Zones 5–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Caribbean Crush Mullein deer resistant?

Yes — Caribbean Crush Mullein is rated deer-resistant. Deer typically pass it over, though extreme hunger can override any plant's defenses.

When does Caribbean Crush Mullein bloom?

Caribbean Crush Mullein typically blooms in early summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Caribbean Crush Mullein need full sun?

Caribbean Crush Mullein does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.

Is Caribbean Crush Mullein drought tolerant?

Yes — once established (usually after the first full season), Caribbean Crush Mullein handles dry spells with minimal watering. Water deeply its first year to build the root system that makes that possible.

Keep exploring

Grow Caribbean Crush Mullein with confidence

See it in a design of your actual yard, get zone-matched care reminders, and track it season by season in your garden journal.