trefle.io · Taken Jul 30, 2022 by Mary_T (cc-by-sa)
Commelinaceae
Virginia dayflower
Commelina virginica
Also known as Commelina caerulea, Allotria scabra, Widow's tears, Slender dayflower
Flowering Plants · Native Plants · Dayflower · Native Perennial · Blue Flowers · Shade Garden · Moist Soil · Woodland Plant · Pollinator · Southeastern Native · Commelinaceae · Spreading Groundcover
Virginia dayflower is a cheerful native perennial that spreads readily in moist, shaded to partially shaded spots such as woodland gardens or stream banks. Its vivid blue flowers appear through summer and attract a variety of pollinators. Provide consistent moisture and watch for vigorous spreading; trim back as needed to keep it contained.
Growing conditions
The details behind the basics
- Daily light
- 4 hours
- Watering
- Keep soil consistently moist; water thoroughly when the top inch of soil feels dry · Every 5-7 days
- Maintenance
- Low
- Soil
- loam
- Soil pH
- 5.2–7.2
- Temperature
- -25°F to 95°F
- Cycle
- Perennial
- Propagation
- Seed
Hardiness
USDA 4b-9b
Form & growth
Mature size and habit
- Mature height
- 20 ft – 40 ft
- Spread
- 20 ft
- Spacing
- 12 in apart
- Growth rate
- Fast
- Root depth
- Medium
- Flowers
- Purple
- Foliage
- Green · Coarse
Ecology & origin
Where it belongs and what it brings
- Native to
- Alabama, Arkansas, Delaware, District Of Columbia, Florida, Georgia, Illinois, Indiana, Japan, Kansas, Kentucky, Louisiana, Maryland, Mississippi, Missouri, New Jersey, North Carolina, Ohio, Oklahoma, Pennsylvania
- Attracts
- Bees, Butterflies
Sources: trefle, usda
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