Species

Clematis x jackmaniiJackman Clematis

30 other cultivars

vine

Sparkler Clematis

Clematis x jackmanii 'Sparkler'

The Story

Plant Bio

A member of the Jackmanii group (Pruning Group 3), this is a vigorous, deciduous, woody-stemmed climbing vine that blooms on new growth. It clings by twisting its leafstalks around a support structure and requires a hard prune in late winter.

Features large, deep velvety purple flowers with distinctive silvery-white speckled or picotee edges, creating a 'sparkling' effect.

Uses & Benefits:

Vivid purple flowers and lush foliage create a striking visual appeal in vertical gardens and fences.

Provides natural shade and privacy when trained on structures.

Supports pollinators like bees and butterflies with abundant nectar.

SpeciesClematis x jackmaniiJackman Clematis

Essentials

At a Glance

Plant Type

Vine

Height

120 inches

Width

48 inches

Light

Full Sun, Partial Sun

Zones

4, 5, 6, 7, 8

Water

Moderate

Humidity

Moderate

Lifespan

Perennial

Native To

Asia and Europe

Toxicity

Toxic to humans and pets if ingested; can cause skin irritation.

Planting

How to Grow

Tuck young vines into a sturdy trellis or support structure.
Water regularly to keep soil consistently moist during the growing season.
Mist cuttings with water and place in bright, indirect light for root development.
Fertilize monthly with a balanced, water-soluble fertilizer in spring and summer.
Prune after flowering to maintain shape and promote vigorous growth.
Mulch around the base to conserve moisture and suppress weeds.

Pro Tip

Provide a sunny location with well-draining soil for optimal flowering and growth.

Keep It Thriving

Care Guide

Do

Water deeply during dry spells 🌱
Prune after flowering to encourage new blooms
Support with a trellis or arbor for climbing varieties
Feed with a balanced fertilizer in spring

Don't

Avoid overwatering, which can lead to root rot ❌
Don’t prune in late fall or winter
Don’t allow soil to become waterlogged
Avoid planting in dense, shady areas

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Climbing vine on arbors and trellisesDecorative cover for fencesColorful accent in garden borders

Companion Plants

Lavender Roses Daylilies Hostas Salvia

Multiply

Propagation Methods

Good to Know

Common Questions

Sparkler Clematis questions

What zones can Sparkler Clematis grow in?

Sparkler Clematis is hardy in USDA Zones 4–8. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is Sparkler Clematis deer resistant?

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

When does Sparkler Clematis bloom?

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

Does Sparkler Clematis need full sun?

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