Modiola caroliniana
Modiola caroliniana · Malvaceae
The gardener's calendar
Ideal time to plant modiola caroliniana: set it out when the soil is neither frozen nor waterlogged, and water generously as it establishes.
ID card
- Foliage
- Deciduous to semi-evergreen depending on climate
- Flowering
- Spring to fall (red to pink flowers)
- Mature size
- 12–24 inches tall, spreading habit
- Growth
- Fast
- Hardiness
- Zones 8–11, frost-sensitive
- Origin
- North America (Carolinas, Virginia)
- Soil type
- Well-draining, tolerant
- Exposure
- Full sun to partial shade
Care
Watering
Water regularly during the first year to establish the root system. Once well-established, this plant tolerates moderate drought. In hot climates or in containers, keep the soil slightly moist during flowering. Avoid excess water, which promotes rot.
Light Exposure
Plant Carolina Mallow in full sun for optimal and abundant blooms. It accepts partial shade but will produce fewer flowers. A warm, well-ventilated location improves vigor and prevents fungal diseases.
Pruning and Pinching
Pinch young stems in spring to encourage a bushier habit. After flowering, deadhead spent flowers to extend bloom production. In late winter, cut back damaged or declining stems to rejuvenate the plant.
Fertilizing
Apply a balanced fertilizer or one slightly higher in potassium every 3 to 4 weeks during the growing season. Moderate feeding is sufficient; excess nitrogen promotes foliage at the expense of flowers. Stop in fall before potential winter dormancy.
Soil and Drainage
Carolina Mallow prefers well-draining, light to medium soil. It tolerates poor or slightly acidic soils. In containers, use a potting mix with sand or perlite to ensure optimal drainage.
Pests and Diseases
Watch for spider mites and aphids, especially in dry climates. Powdery mildew can appear if humidity is too high or air circulation is poor. Remove affected leaves and improve air circulation. Overhead watering promotes disease; prefer watering at the base.
Did you know?
Carolina Mallow is a small annual or short-lived perennial native to the southeastern United States, often used to naturalize rock gardens or dry areas. Its delicate red-pink flowers, shaped like tiny hibiscus blooms, honor its Malvaceae family and attract pollinators. Little-known in Europe, it deserves rediscovery as a water-efficient plant suited to Mediterranean or warm continental gardens.
Where to buy it
Plant in spring or early autumn, avoiding spells of intense heat. Pick a plant with healthy foliage and roots that are not exposed. Best time: March, April, May, September.
Add this plant to my garden →Plants from the same family
- Small-leaved limeTilia cordata
- Rose of SharonHibiscus syriacus
- Marsh mallowAlthaea officinalis
- Silver LimeTilia tomentosa
- Crimean lindenTilia euchlora
- Swamp hibiscusHibiscus moscheutos
Tips generated and checked by Viridia — adapt them to your local climate.