Species

Clematis x jackmaniiJackman Clematis

30 other cultivars

vine

Happy Diana Clematis

Clematis x jackmanii 'Happy Diana'

$29.99

The Story

Plant Bio

A vigorous climbing plant with large, showy purple flowers.

This cultivar is notable for its prolific blooms and striking color, making it a favorite for trellises and arbors.

Uses & Benefits:

Vivid purple blooms provide striking visual interest and fragrance, perfect for climbing structures.

Climbing habit offers natural privacy screening and vertical shading in gardens.

Supports pollinators like bees and butterflies with abundant nectar.

SpeciesClematis x jackmaniiJackman Clematis

Essentials

At a Glance

Plant Type

Vine

Height

72 inches

Width

24 inches

Light

Full Sun, Partial Sun

Zones

5, 6, 7, 8

Water

Moderate

Humidity

Moderate

Lifespan

Perennial

Native To

Asia

Toxicity

Non-toxic to humans and pets

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Marketplace

Where to Buy

Spring Hill Nursery

Bareroot

In Stock$29.99

Shipping costs Year-round shipping Free shipping

Planting

How to Grow

Tuck young vines into a trellis or support structure in early spring.
Mist cuttings with water to encourage root development in late spring.
Prune after flowering to maintain shape and promote new growth.
Fertilize with a balanced fertilizer every 4-6 weeks during the growing season.
Mulch around the base to retain moisture and suppress weeds.
Water regularly, especially during dry periods, to keep soil moist.

Pro Tip

Provide strong support early on and train stems for best flowering display.

Keep It Thriving

Care Guide

Do

Water consistently to keep soil moist but not waterlogged 🌱
Prune after flowering to shape the plant and promote new growth
Feed with a balanced fertilizer during active growth months

Don't

Avoid overwatering which can lead to root rot ❌
Do not prune in late fall or winter
Avoid neglecting support structures for climbing

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

Vigorous climbing vine for trellises and arborsDecorative border with fragrant bloomsVertical accent in garden walls

Companion Plants

Roses Lavender Daylilies Hostas Salvia

Multiply

Propagation Methods

Good to Know

Common Questions

Happy Diana Clematis questions

What zones can Happy Diana Clematis grow in?

Happy Diana Clematis 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 Happy Diana Clematis deer resistant?

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

When does Happy Diana Clematis bloom?

Happy Diana 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 Happy Diana Clematis need full sun?

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

Is Happy Diana Clematis drought tolerant?

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