Passiflora caerulea ‘Purple Haze’ – Exotic Passionflower with Striking Blooms

The Passiflora caerulea ‘Purple Haze’ is a stunning climbing plant, admired for its exotic, large flowers and vigorous growth. This unique passionflower variety produces dramatic blooms with deep purple tones blending into violet and indigo, often accented by white or pale centres. The flowers are beautifully intricate, with the trademark filaments radiating out like a starburst, giving gardens an exotic and tropical feel.

Flowering from midsummer through autumn, ‘Purple Haze’ creates an unforgettable display on fences, trellises, or pergolas. Its glossy, lobed foliage provides a lush backdrop, while the flowers attract pollinators such as bees and butterflies. In warm summers, it may even form small, egg-shaped orange fruits, adding another layer of seasonal interest. Hardy, vigorous, and easy to grow with the right support, this passionflower brings drama and beauty to gardens of all sizes.

General Information

Passiflora caerulea is one of the hardiest species of passionflower, and ‘Purple Haze’ is a vibrant cultivar bred for its colourful blooms.

• Habit: Vigorous, twining climber with fast-growing stems.

• Height & spread: Can reach 5–7m tall and wide with support.

• Foliage: Glossy, lobed green leaves form a dense screen of foliage.

• Flowers: Exotic star-shaped blooms with purple, violet, and indigo tones; intricate filaments and striking central detail.

• Flowering season: July to October, with blooms lasting well into autumn.

• Fruit: Small orange-yellow passion fruits may follow the flowers in warm conditions (ornamental, not widely eaten).

• Position: Best in full sun for strong flowering; tolerates light shade.

• Soil: Fertile, well-drained soil; prefers slightly acidic to neutral ground.

• Hardiness: Hardy in much of the UK and Ireland, though young plants may need winter protection.

• Uses: Perfect for training over fences, trellises, walls, arches, or pergolas to create an exotic focal point.

This variety’s vibrant colours and vigorous nature make it a striking choice for adding drama and height to gardens.

Care Guide

Passiflora caerulea ‘Purple Haze’ is relatively easy to grow, provided it has the right support and some protection in colder areas.

Planting

• When to plant: Best in spring or early autumn when the soil is warm and workable.

• Depth & spacing: Plant at the same depth as in the pot; allow 2–3m spacing if planting multiples.

• Support: Needs strong structures like trellis, wires, or pergolas for climbing stems.

• Preparation: Improve soil with compost to boost fertility before planting.

Watering & Feeding

• Water regularly in the first year to help establish roots.

• Once mature, it is moderately drought-tolerant but flowers best with consistent watering in summer.

• Feed monthly in spring and summer with a balanced liquid fertiliser to encourage blooms and healthy growth.

Pruning & Maintenance

• Prune in late winter or early spring to control size and encourage fresh growth.

• Cut back old or overcrowded stems, leaving strong, healthy shoots to flower.

• Tie in young stems as they grow to keep the plant neat and well-shaped.

Protection

• Fully hardy in mild regions but may suffer damage in severe frost. Mulch around the base and protect roots in winter.

• In colder areas, plant against a south- or west-facing wall for added warmth and shelter.

• Generally pest- and disease-free, though aphids may occasionally affect new shoots.

Why Choose Passiflora caerulea ‘Purple Haze’?

This passionflower variety is perfect for gardeners looking to add exotic colour and bold architectural form to their outdoor spaces.

• Exotic flowers: Large, intricate blooms in deep purple and violet.

• Long flowering season: Blooms from midsummer through autumn.

• Wildlife-friendly: Attracts bees, butterflies, and other pollinators.

• Versatile climber: Ideal for walls, fences, arches, and pergolas.

• Low-maintenance: Hardy, vigorous, and easy to grow with minimal care.

The Passiflora caerulea ‘Purple Haze’ is a spectacular climber that transforms any support into a wall of colour and exotic beauty. With its long season of blooms, fragrant appeal, and hardy nature, it’s a brilliant choice for adding drama and elegance to gardens both large and small.

• Size
  80-100

We currently only deliver within the island of Ireland, other countries can be quoted for by contacting [email protected] or via telephone on 06964084
 

Standard Delivery is FREE on orders over €250*

All standard deliveries will be completed within 5-7 working days via Fastway Couriers, any delay to this delivery time, the customer will be notified by One of our staff.

The in-Store delivery charge will vary compared with online, in-store delivery charge is done on a case by case basis. 

* Only mainland Ireland addresses qualify for free delivery.
 

Live Plants Delivery

Our live plants are packed with care and diligence by our staff, our horticulturists review each plant before despatch to ensure quality is maintained.
Live Plant delivery charges are not calculated on weight but on the space required per package to ensure safe delivery, so delivery charges may vary as some plants require more space than others when packed.
All live plants are despatched within 3-5 working days where possible, our couriers aim to deliver within 48 hours of despatch from our Garden Centre to allow the plant to arrive in healthy condition.
 

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