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Yellow passionflower

Passiflora lutea · Passifloraceae

The gardener's calendar

The right move for September

In autumn, ease off feeding and take the chance to clean up around yellow passionflower and prepare for winter.

JFMAMJJASOND Planting

ID card

Common name
Yellow Passionflower, Maypop
Family
Passifloraceae
Type
Climbing plant (vine)
Foliage
Deciduous
Flowering
June to September
Flowers
Pale yellow, small (3 to 4 cm)
Hardiness
-15 to -18°C
Origin
United States (Southeast)
Growth
Moderate to vigorous

Care

Light exposure

Place your Passiflora lutea in full sun or partial shade. It thrives with at least 6 hours of direct light per day. Too much shade will reduce flowering and slow growth.

Watering

Water regularly during the growing season (spring-summer) keeping the soil moist but not waterlogged. Reduce watering in winter, especially after leaf drop. Avoid standing water which causes root rot.

Soil and potting mix

Grow it in rich, well-draining soil, slightly acidic to neutral. Add compost or quality potting mix at planting to encourage rooting. Ensure good drainage to prevent root suffocation.

Pruning and training

Prune lightly after flowering or in late winter to maintain shape and remove dead wood. Guide stems onto a support (trellis, wire) from the start. This vine attaches naturally with tendrils, requiring minimal intervention.

Fertilizing

Apply a balanced diluted fertilizer every 2 to 3 weeks from May to August. Avoid excess nitrogen which promotes foliage at the expense of flowers. Stop feeding in autumn and winter.

Pests and diseases

Watch for spider mites and whiteflies in dry conditions. Powdery mildew can appear with poor air circulation and humid stagnant conditions. Good spacing and regular air circulation naturally reduce these risks.

Did you know?

Passiflora lutea is one of the few cold-tolerant passionflowers in temperate North America. It has long fascinated botanists with its complex flower morphology: its flowers bear a crown of colored filaments and a distinctive suspended androecium, symbols of the "passion" of Christ in ancient religious iconography.

Where to buy it

Best planted in autumn so the roots settle in before summer, or in early spring once the frost has passed. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, October, November.

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Tips generated and checked by Viridia — adapt them to your local climate.