Lobelia Apr 2026

Popular half-hardy annual with blue, trailing flowers; ideal for containers. Cardinal Flower

Lobelia is highly toxic. Ingesting large quantities can cause nausea, vomiting, diarrhea, tremors, or convulsions. It is strictly discouraged for pregnant or breastfeeding women and those with GI conditions like ulcers. Consult a healthcare provider before using. lobelia

In hot weather, many varieties may stop blooming; keeping them well-watered or providing light pruning (a "haircut") can encourage new growth and flowering. Common Pests: Susceptible to aphids, whiteflies, and slugs. Medicinal Uses & Toxicity Popular half-hardy annual with blue, trailing flowers; ideal

Annual with small blue flowers and inflated seedpods; historical medicinal use. Devil's Tobacco It is strictly discouraged for pregnant or breastfeeding

These flowers are often associated with love, beauty, and healing. Prominent Species Common Name Key Characteristics L. erinus Edging Lobelia

Species can be annuals, perennials, or even shrubs, with some growing up to 6 feet tall.