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4
votes
1answer
51 views

Why does my garden centre say these plants are annuals?

I'm in the UK (so hardiness zone 8/9), and my local garden centre is selling Chrysanthemums and Michaelmas daisies, labelled as "one season only". I'm sure as a kid my gran had (the same) ...
12
votes
1answer
2k views

How often should I harvest herbs?

I have a few herbs growing hydroponically (basil, chives, cilantro) that are about 4 weeks old. Right now they are about 4-5" tall and have a health glow and smell to them. The herbs are being held ...
6
votes
1answer
72 views

Has my USDA hardiness zone changed?

The USDA just released the first new hardiness zone maps since 1990. Am I still in the same zone?