Species

Clematis x jackmaniiJackman Clematis

30 other cultivars

vine

Cloudburst Clematis

Clematis x jackmanii 'Cloudburst'

The Story

Plant Bio

Clematis x jackmanii 'Cloudburst' is a vigorous climbing vine known for its large, striking purple flowers that can reach up to 6-8 inches in diameter. It is a hybrid clematis that produces blooms on new growth, making it a popular choice for trellises and fences.

This cultivar is particularly noted for its unique color variation and slightly fragrant blooms, setting it apart from other forms of Clematis x jackmanii.

Uses & Benefits:

Vigorous climber with large, showy flowers enhances vertical spaces and garden aesthetics.

Provides natural privacy screening and structure for garden design.

Supports pollinators like bees and butterflies with abundant nectar.

SpeciesClematis x jackmaniiJackman Clematis

Essentials

At a Glance

Plant Type

Vine

Height

96 inches

Width

48 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Moderate

Lifespan

Perennial

Native To

Asia and Europe

Toxicity

Toxic to humans and pets if ingested

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Tuck young plants into a well-draining soil bed in early spring.
Mist cuttings regularly to maintain humidity for root development.
Support the vine with a trellis or arbor for optimal growth.
Water deeply once a week during dry spells, especially in summer.
Fertilize with a balanced liquid feed in spring and mid-summer.
Prune after flowering to encourage new growth and maintain shape.

Pro Tip

Plant in a sunny spot with rich, well-draining soil for best blooms.

Keep It Thriving

Care Guide

Do

Provide a sturdy support structure for climbing.
Water consistently during hot weather 🌱
Fertilize in early spring for vigorous growth.
Prune after flowering for better next-year blooms.

Don't

Avoid waterlogging soil to prevent root rot ❌
Don't prune in late fall or winter, as it may cut off next season's buds.
Refrain from over-fertilizing, which can cause leggy growth.
Don't forget to mulch to conserve moisture and suppress weeds.

Seasonal Care Calendar

Task	Jan	Feb	Mar	Apr	May	Jun	Jul	Aug	Sep	Oct	Nov	Dec
Fertilize
Mulch
Prune

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vivid floral arch for garden entrancesClimbing on fences for a lush vertical accentVanilla-scented border along walkways

Companion Plants

Hostas Daylilies Lavender SalviaFerns

Multiply

Propagation Methods

Good to Know

Common Questions

Cloudburst Clematis questions

What zones can Cloudburst Clematis grow in?

Cloudburst Clematis is hardy in USDA Zones 4–9. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Cloudburst Clematis deer resistant?

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

When does Cloudburst Clematis bloom?

Cloudburst Clematis typically blooms in mid-summer through late summer. Exact timing shifts a week or two with your zone — Sow's bloom calendar maps it to your garden.

Does Cloudburst Clematis need full sun?

Cloudburst Clematis does best in full sun to part shade. In hot climates, afternoon shade keeps blooms fresher longer.