Tender Perennials: Overwintering Tropical and Mediterranean Plants

Tender perennials (begonias, calla lilies, caladiums, rosemary, bay laurel) thrive in warm climates but need winter protection in temperate zones.

Growing Season Care

• Plant after frost danger passes.
• Tropical types: rich, moist soil, shade.
• Mediterranean types: well-drained soil, full sun, little fertilizer.

Overwintering Strategies

Option 1: Grow as annuals (best for inexpensive plants).

Option 2: Store dormant structures (bulbs, tubers, corms). After foliage dies back, dig, cure at room temp, clean, store in sand/peat/vermiculite at 50–55°F (10–12°C). Root cellar, cool garage, or unheated room works.

Option 3: Overwinter as potted plants or cuttings. Cut back by half, pot up, keep in bright light. Cuttings take less space and transplant better in spring.

With planning, you can save prized tender perennials year after year.