Search for native plants by scientific name, common name or family. If you are not sure what you are looking for, try the Combination Search or our Recommended Species lists.
Search native plant database:

Smith, Sandy
Ruellia humilis Nutt.
Fringeleaf wild petunia, Hairy ruellia, Low wild Petunia, Low ruellia
USDA Symbol: RUHU
USDA Native Status: Native to U.S.
Fringe-leaf wild petunia’s multi-branched stem may reach a height of 2 ft. but is usually less than a foot tall. The short internodes give the plant a compact, leafy, bushy appearance. Its showy flowers are petunia shaped and vary in color from lavender to purple.
Plant Characteristics
Duration: Perennial Habit: Herb Root Type: Fibrous Leaf Retention: Deciduous Leaf Complexity: Simple Leaf Shape: Ovate Leaf Venation: Pinnate Leaf Pubescence: Hirsute
Leaf Margin: Entire Leaf Apex: Acute Leaf Base: Truncate Breeding System: Flowers
Bisexual Size Notes: Erect or rarely decumbent.
Leaf: Green
Flower: Flowers 3-7 cm long
Fruit: Capsule brownish to 15 mm
Size Class: 1-3 ft.
Bloom Information
Bloom Color: Purple
Bloom Time: May , Jun , Jul , Aug , Sep
Distribution
USA: AL , AR , FL , GA , IA , IL , IN , KS , KY , LA , MD , MI , MN , MO , MS , NC , NE , OH , OK , PA , TN , TX , VA , WI , WV
Native Distribution: PA to WI & e. KS, s. to w. NC, AL & TX
Native Habitat: Woodlands edge, Opening, Thickets
USDA Native Status: L48(N) Growing Conditions
Water Use: Low
Light Requirement: Part Shade
Soil Moisture: Moist
CaCO3 Tolerance: Low
Conditions Comments: Growth habit is upright to somewhat sprawling. Wonderful addition to a wildflower planting. Blooms in the heat of summer if given a little extra water. Reseeds readily. Larval food plant for the Buckeye and several other butterfly species.
Benefit
Use Ornamental: Perennial garden, Blooms ornamental
Conspicuous Flowers: yes
Attracts: Butterflies
Larval Host: Buckeye
Nectar Source: yes
Propagation
Propagation Material: Root Division
Description: Stem cutting taken in June or July and treated with hormone give the best results. Hold the rooted cuttings in a cold frame until spring. Seeds are produced in abundance but germination is low.
Seed Collection: Not Available
Seed Treatment: Not Available
Commercially Avail: yes
Maintenance: Maintain moist soil, Fertilize in spring with rose food
Recommended Species Lists
Find native plant species by state. Each list contains commercially available species suitable for gardens and planned landscapes. Once you have selected a collection, you can browse the collection or search within it using the combination search.
View Recommended Species page
Metadata
Record Modified: 2012-12-09
Research By: NPIS, JSC
Go back