Species

Clematis x jackmaniiJackman Clematis

30 other cultivars

vine

Pernille Clematis

Clematis x jackmanii 'Pernille'

The Story

Plant Bio

Vigorous climbing vine with large, showy purple flowers.

This cultivar features a unique deep purple color and produces an abundance of flowers throughout the summer.

Uses & Benefits:

Creates stunning vertical displays with vibrant purple flowers, enhancing garden aesthetics.

Provides natural shade and privacy with its dense foliage and flowering vines.

Supports pollinators like bees and butterflies, contributing to local biodiversity.

SpeciesClematis x jackmaniiJackman Clematis

Essentials

At a Glance

Plant Type

Vine

Height

96 inches

Width

36 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8, 9

Water

Moderate

Humidity

Moderate

Lifespan

Perennial

Native To

Cultivar

Toxicity

Toxic if ingested

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Choose a sunny location with well-draining soil for planting.
Tuck young vines into a trellis or support structure securely.
Mist cuttings with water regularly to maintain humidity during propagation.
Water deeply after planting to establish roots, especially in dry periods.
Prune after flowering to promote vigorous growth and flowering next season.
Mulch around the base to retain moisture and suppress weeds.

Pro Tip

Provide sturdy support early on to prevent damage and encourage climbing.

Keep It Thriving

Care Guide

Do

Water regularly, especially during dry spells 💧
Prune in late winter or early spring to shape and control size
Feed with a balanced fertilizer in spring and summer
Support the vines with a sturdy trellis or arbor
Monitor for pests and diseases regularly

Don't

Avoid overwatering, which can lead to root rot ❌
Don’t prune in late summer or fall, as it may reduce next season’s blooms
Never plant in poorly-drained soil to prevent waterlogging
Avoid neglecting support structures, which can cause damage

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

Vine-covered pergolas creating fragrant, floral shadeClimbing on trellises for vertical interestDecorative border with fragrant purple flowers

Companion Plants

HostaLavender Daylilies SalviaFerns

Multiply

Propagation Methods

Good to Know

Common Questions

Pernille Clematis questions

What zones can Pernille Clematis grow in?

Pernille 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 Pernille Clematis deer resistant?

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

When does Pernille Clematis bloom?

Pernille 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 Pernille Clematis need full sun?

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