Lesser butterfly orchid
Platanthera bifolia · Orchidaceae
The gardener's calendar
Ideal time to plant lesser butterfly orchid: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Family
- Orchidaceae
- Type
- Perennial herbaceous plant
- Foliage
- Deciduous
- Flowering
- May to July
- Mature size
- 30 to 60 cm in height
- Hardiness
- Very hardy (–20 °C)
- Origin
- Europe, temperate Asia
- Natural habitat
- Damp meadows, woodland edges
Care
Light exposure
Place your platanthera in partial shade or dappled sunlight, in a cool, well-ventilated environment. It tolerates light shade areas well, particularly in woodland understories. Avoid excessively hot and dry exposures in summer.
Soil and humidity
This orchid prefers soil rich in organic matter, slightly acidic to neutral and well-draining yet constantly moist. Adding leaf mold or peat improves soil structure. The soil should never dry out completely.
Watering
Keep the substrate moist during the growing season (spring-summer), without waterlogging. In dry periods, water regularly without allowing standing water. Reduce watering in autumn and winter when the plant enters dormancy.
Feeding
A moderate application of balanced fertilizer in spring is generally sufficient. Prefer diluted orchid fertilizer or a light organic amendment. Avoid excess nitrogen which promotes foliage at the expense of flowering.
Pruning and seed production
No pruning is necessary. Simply remove faded flowers if you wish to concentrate energy on tuber formation. At the end of the season, let the foliage dry naturally before removing it.
Pests and diseases
Platanthera is generally robust in natural conditions. Watch for collar rot if humidity is excessive and drainage is poor. Slugs can damage young shoots: regular cleaning is sufficient to manage them.
Did you know?
The lesser butterfly orchid owes its reproductive success to an extraordinary adaptation: it produces nectar that attracts night-flying butterflies, particularly the platanthera hawkmoth, which serve as pollinators. This fascinating mutualistic relationship dates back millions of years and demonstrates how orchids have co-evolved with their insect pollinators.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
- Chinese ground orchidBletilla striata
- Moth orchidPhalaenopsis amabilis
- Spotted orchidDactylorhiza maculata
- Lesser twaybladeNeottia ovata
- Broad-leaved helleborineEpipactis helleborine
- Western Marsh-orchidDactylorhiza majalis
Tips generated and checked by Viridia — adapt them to your local climate.