A plant that lives for two or more years.

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3answers
1k views

What are some tall, narrow perennials suited for dry soils, sun & shade?

I have an herb garden that stays quite dry. Although this garden is in the notoriously wet Pacific Northwest (USDA zone 8a), it is against a two story south-facing brick wall, under a large overhang, ...
9
votes
1answer
244 views

Are goldenrod cultivars manageable or troublesome?

We have a tough dry spot in the garden (USDA zone 4) about 2' x 5' where a goldenrod cultivar would go nicely. The native species, although attractive, has a tendency to seed freely and be almost ...
9
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2answers
185 views

Are chilis an annual plant?

Are chili plants an annual plant? I have read on the web that they are perennials. But mine have never lasted more than a year.
13
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4answers
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Can dahlias be grown as perennials?

The wikipedia article on dahlia says that they are perennial plants. However, the dahlia section at my local garden center claims (in their little info booklets) that they are annuals. Upon further ...
13
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3answers
990 views

Which herbs can be grown as perennials?

What are some herbs that are perennials, i.e. they return and grow the next season? I'd like to keep a garden of herbs around for cooking.