Pansies and Polyanthus: Biennials vs. Perennials

Pansies (Viola × wittrockiana) are technically hardy biennials but almost always grown as annuals.

Polyanthus (Primula × polyanthus) is a hybrid of cowslip, English primrose, and oxlip. It is a herbaceous perennial, cultivated since the 1600s.

For a photo of primulas in bloom, see the linked Longwood Gardens image.

Perennials: Worms in Pots: Good Idea or Indoor Disaster?; Growing Ivy on Brick Walls: Risks and Maintenance; Overwintering Mums & Hibiscus on a New Jersey Terrace; Controlling Mites and Powdery Mildew on Zinnias; Heat Wave Care for Bay Area Patio Plants; Compost Timing and Weed Control Without Harming Bulbs; Why You Can't Sow Seeds in Preen-Treated Beds: Alternatives for Seed Starting; Brugmansia and Datura in Sacramento: Heat, Pests, and Feeding; Identifying 'William and Mary': The Perennial Lychnis Coronaria (Rose Campion); Primula (Polyanthus Type): Polyanthus Primrose

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