Frequently Asked Perennial Questions

Here are the perennial-related questions we receive most often. Click through to read their answers.

When should I divide perennials?

When should I prune clematis?

Are there any perennials that stay green in winter?

When can I transplant Oriental poppies?

What's the best way to plant perennials?

Should I protect perennials from a cold winter, and how?

How do I start perennial seeds that need a cold period?

Can I plant perennials in the hot summer?