vine

White Passionflower

Passiflora alba 'Blue Horizon'

The Story

Plant Bio

A vigorous, tendril-climbing vine with distinctive three-lobed leaves. It produces intricate, fragrant white flowers followed by small, greenish-yellow fruit.

Unlike many passionflowers, its flowers are pure white. The species name 'alba' means white. It is a fast-growing vine suitable for covering trellises or fences in warm climates.

Uses & Benefits:

Elegant white flowers and lush foliage make it a stunning feature vine.

Provides vertical coverage and privacy screening.

Attracts pollinators like bees and butterflies.

Essentials

At a Glance

Plant Type

Vine

Height

120 inches

Width

60 inches

Light

Full Sun, Partial Sun

Zones

9, 10

Water

Moderate

Humidity

Moderate to high

Lifespan

Perennial

Native To

Central and South America

Toxicity

Fruit is edible when ripe; other parts may be mildly toxic if ingested.

Bloom period

Mid-summer – Late summer

In flower about 2 months of the year

Planting

How to Grow

Tuck young vines into a trellis or support structure.
Mist cuttings regularly to maintain humidity and encourage rooting.
Water consistently, keeping soil moist but not waterlogged.
Fertilize monthly with a balanced liquid fertilizer during the growing season.
Prune lightly after flowering to maintain shape and health.
Mulch around the base to retain moisture and suppress weeds.

Pro Tip

Provide a sturdy trellis and consistent moisture for best vine growth.

Keep It Thriving

Care Guide

Do

Water regularly, especially during dry spells 💧
Prune to shape and remove dead or diseased stems ✂️
Fertilize monthly during active growth
Support with a strong trellis or arbor

Don't

Avoid overwatering to prevent root rot ❌
Don't let soil dry out completely
Avoid heavy pruning during flowering
Don't neglect support structures

Seasonal Care Calendar

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

Watch Out For

Pests & Diseases

Common Pests

Common Diseases

In the Garden

Landscape Uses & Companions

Landscape Uses

Vining on trellises for vertical interestClimbing over fences for privacyVanilla-scented border plant

Companion Plants

Jasmine Honeysuckle Lavender Sweet Pea Marigold

Multiply

Propagation Methods

Good to Know

Common Questions

White Passionflower questions

What zones can White Passionflower grow in?

White Passionflower is hardy in USDA Zones 9–10. Inside that range it survives winter in the ground; outside it, grow it as an annual or a container plant you protect.

Is White Passionflower deer resistant?

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

When does White Passionflower bloom?

White Passionflower 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 White Passionflower need full sun?

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

Is White Passionflower drought tolerant?

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