Tag annuals

Are Mandevillas Annuals or Perennials? The Truth by Zone

Are mandevillas annuals or perennials the truth by zone.jpg

Mandevillas are tender perennials—not true annuals, not reliably hardy perennials—but their behavior depends entirely on winter temperature exposure. In USDA Hardiness Zones 10b through 11 (where average minimum winter temperatures stay above 35°F / 2°C), mandevillas grow year after year,…