Ruellia humilis
TAXONOMY
FamilyAcanthaceae
GenusRuellia
Zone4
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Plants of the World OnlineABOUT
Ruellia humilis, commonly known as wild petunia, is a perennial herbaceous plant native to the central United States. It thrives in prairies, open woodlands, and along roadsides. The plant goes dormant in the winter months and re-emerges in the spring. It is known for its attractive, trumpet-shaped lavender flowers that bloom throughout the summer.
ALSO KNOWN AS
Fringe-Leaf Wild Petunia
Wild Petunia
Fringe-leaf ruellia
Gymnacanthus humilis
Ruellia ciliosa var. humilis
Ruellia humilis f. humilis
Ruellia humilis var. humilis
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
Dormancy3 Months
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Ruellia humilis is relatively easy to care for. It prefers full sun but can tolerate partial shade. The plant thrives in moderate temperatures and average humidity levels. Watering should be done when the soil is dry to the touch, but avoid overwatering as it prefers soil that dries out between waterings.Soil
This plant prefers well-draining loamy soil. It can tolerate a range of soil types but performs best in soil that is not too rich in nutrients. Good drainage is essential to prevent root rot.Fertilizer
A balanced fertilizer with an N-P-K ratio of 10-10-10 can be applied in the spring to promote healthy growth. Fertilize sparingly, as over-fertilization can lead to excessive foliage growth at the expense of flowers.Repotting
Ruellia humilis can be repotted if necessary, typically in the spring. Choose a pot that is slightly larger than the current one and ensure it has good drainage. Gently remove the plant from its current pot, loosen the roots, and place it in the new pot with fresh soil.Propagation
Propagation can be done through seeds or cuttings. Seeds can be sown in the spring, while cuttings can be taken in late spring or early summer. For cuttings, use a sharp knife to take a 4-6 inch cutting, remove the lower leaves, and place it in a pot with moist soil.Pruning
Pruning is beneficial for Ruellia humilis to maintain its shape and encourage more blooms. Prune back the plant in early spring before new growth begins. Deadheading spent flowers can also promote continuous blooming.Toxicity
Ruellia humilis is not known to be toxic to pets or humans. It is generally considered safe to grow in gardens where pets and children are present.Additional
Ruellia humilis is a great addition to native plant gardens and pollinator gardens, as it attracts bees and butterflies. It is also drought-tolerant once established, making it a low-maintenance choice for gardeners.REVOLUTIONIZE YOUR PLANT CARE
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