
trefle.io · Taken May 29, 2022 by Thérèse Schets (cc-by-sa)
Orchidaceae
Southern marsh-orchid
Dactylorhiza praetermissa
Also known as Leopard marsh orchid, Southern marsh orchid, Dactylorhiza praetermissa
Native Plants · Orchid · Wildflower · Wetland · Meadow · Pollinator · Rare · Native Orchid · Purple Flowers · Specialist · Marsh
The Southern marsh-orchid requires damp, calcareous or neutral meadow soil and full sun to produce its striking purple flower spikes in late spring to early summer. It depends on specific mycorrhizal fungi in the soil and does not transplant easily, so replicate its natural meadow or wetland habitat as closely as possible. This is a specialist plant best suited to a wildlife garden or orchid meadow rather than a typical container or border.
Growing conditions
The details behind the basics
- Daily light
- 6 hours
- Watering
- Keep soil evenly moist; never allow to dry out fully · Every 5-7 days
- Maintenance
- High
- Soil
- loam
- Soil pH
- 7–7.5
- Temperature
- -10°F to 95°F
- Cycle
- Perennial
- Propagation
- Division
Hardiness
USDA 5a-11b
Form & growth
Mature size and habit
- Mature height
- 6 in – 2 ft
- Spread
- 6 in
- Spacing
- 10 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- No
- Foliage
- Fine
Ecology & origin
Where it belongs and what it brings
- Attracts
- Bees, Butterflies, Moths
Sources: trefle
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