Rain Lily (Habranthus robustus): Pink Blooms After Summer Rain

Rain lily (Habranthus robustus, syn. Zephyranthes robusta)—pale pink flowers pop up suddenly after summer rain, resembling small amaryllis. In proper conditions, multiplies rapidly to carpet the garden.

Noteworthy Features

Robust perennial for southern gardens or greenhouse, attractive flowers held above foliage.

Culture & Propagation

Under glass: plant bulbs 3–4 inches deep in soil-based mix with grit/leaf mold, full light. Water moderately then freely in leaf. Reduce as foliage dies back, keep barely moist dormant. Fertilize weekly in bud. Outdoors: plant spring with necks above soil. Fertile, well-drained, neutral-alkaline soil, full sun. Protect from excessive winter moisture. Sow seed at 61°F when ripe. Remove offsets winter.

Problems

Infrequent.

Quick Reference

• Height: 6–12 in.
• Spread: Under 6 in.
• Growth Habit: Spreads
• Growth Pace: Moderate
• Light: Full sun only
• Moisture: Medium
• Maintenance: Moderate
• Bloom Time: Summer
• Flower Color: Pink
• Uses: Beds, borders, indoor plants, rock gardens