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Annuals
An annual is a plant which completes its
life cycle in a single year and then dies. Quick growing, good for
in-fill, lots of flowers for relatively little effort - you just have to
do it every year!
Hardy Annuals
Frost-hardy, usually sown outdoors in spring or autumn for the
following year.
Half-hardy Annuals
Not frost hardy, raised from seed under protection and planted
outdoors after frost risk has passed. Most summer bedding and container
plants in this category.
Greenhouse Annuals
More exotic plants that need protection at all times, unless you live
in the south.
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Perennials
Perennials are plants that live for a
number of years flowering each year. Generally they die down in the
winter, sometimes entirely disappearing underground, sometimes leaving a
mound of leaves. They usually do well for 4 or 5 years, when to keep them
going well they need some kind of rejuvenation. Dig them up and start
again from seed or dig them up, split and replant with some presents for
friends and neighbors.
Hardy Perennials
The easiest of all garden plants, they come back every
year and aren't bothered by the frost.
Half-hardy Perennials
Usually put outside for the summer and then brought under
protection for the winter, although several are quick growing enough
to be treated as half-hardy annuals and discarded come late fall.
Greenhouse Perennials
More exotic plants that need protection at all times, unless you
live in the south.
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Biennials
Biennials are plants that grow from seed
one year and build themselves up in the first season to flower in the
second year before dying. Some very large and spectacular plants in this
group.
Hardy
Biennials
Half
Hardy Biennials
Special Categories
Seeds for kids
Ground cover
Bonsai
Highly scented
RHS
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