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Ruellia humilis - Wild Petunia (pt)
One of my favorite plants for the front of sunny medium-dry flower beds, Ruellia humilis is a very hardy short and fuzzy herbaceous perennial with beautiful trumpet-shaped (petunia-like, but not actually related to petunias) lavender flowers from June to August. Each flower opens for just a day, but mature clumps produce multiple new flowers per day, so be sure to plant in mass to get the most out of the variable bloom time. The plant will self-sow and spread over time, aiding in the development of a low, bushy ground cover mass. It pairs well with little bluestem, butterfly weed, Coreopsis spp., asters. and Penstemon spp.
A favorite of long-tongued bees, such as bumblebees and long-horned bees, this plant has medium-high wildlife value. Butterflies visit for nectar and the Ohio Buckeye and Mourning Cloak butterflies use the foliage as a larval host plant. Deer and rabbits generally avoid the hairy leaves.
Sun: full - partial sun
Height: 6-18”
Flower color: purple
Bloom time: June - August
Wetness: medium - dry
Root system: fibrous
Soil: well drained soils such as rocky or gravely sand, loam, and loamy claySun: full - partial sun
Height: 6-18”
Flower color: purple
Bloom time: June - August
Wetness: medium - dry
Root system: fibrous
Soil: loam, sand
One of my favorite plants for the front of sunny medium-dry flower beds, Ruellia humilis is a very hardy short and fuzzy herbaceous perennial with beautiful trumpet-shaped (petunia-like, but not actually related to petunias) lavender flowers from June to August. Each flower opens for just a day, but mature clumps produce multiple new flowers per day, so be sure to plant in mass to get the most out of the variable bloom time. The plant will self-sow and spread over time, aiding in the development of a low, bushy ground cover mass. It pairs well with little bluestem, butterfly weed, Coreopsis spp., asters. and Penstemon spp.
A favorite of long-tongued bees, such as bumblebees and long-horned bees, this plant has medium-high wildlife value. Butterflies visit for nectar and the Ohio Buckeye and Mourning Cloak butterflies use the foliage as a larval host plant. Deer and rabbits generally avoid the hairy leaves.
Sun: full - partial sun
Height: 6-18”
Flower color: purple
Bloom time: June - August
Wetness: medium - dry
Root system: fibrous
Soil: well drained soils such as rocky or gravely sand, loam, and loamy claySun: full - partial sun
Height: 6-18”
Flower color: purple
Bloom time: June - August
Wetness: medium - dry
Root system: fibrous
Soil: loam, sand

