trefle.io · Taken Jun 11, 2020 by Natures Guy (cc-by-sa)
Acanthaceae
Limestone wild petunia
Ruellia strepens
Also known as Ruellia foliosa, Limestone ruellia, Dipteracanthus strepens var. dillenii, Dipteracanthus strepens f. pedunculatus
Flowering Plants · Native Plants · Native Wildflower · Shade Garden · Perennial · Wildlife Garden · Lavender Flowers · Woodland · Pollinator · Acanthaceae · Eastern Us Native
Limestone wild petunia thrives in part shade with consistent moisture, making it ideal for woodland garden edges and shaded borders. It is a low-maintenance native perennial that produces cheerful lavender-blue flowers throughout summer. Plant in well-draining, slightly alkaline soil and water regularly during dry spells to keep it looking its best.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Water moderately, keeping soil evenly moist but not waterlogged · Every 7-10 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 6–8.5
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 10 ft – 30 ft
- Spread
- 15 ft
- Spacing
- 18 in apart
- Growth rate
- Moderate
- Root depth
- Medium
- Flowers
- Mixed
- Foliage
- Green · Medium
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Arkansas, Delaware, District Of Columbia, Florida, Georgia, Illinois, Indiana, Iowa, Kansas, Kentucky, Louisiana, Maryland, Michigan, Mississippi, Missouri, Nebraska, New Jersey, North Carolina, Ohio
- Attracts
- Bees, Butterflies, Hummingbirds
Sources: trefle
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