Words by David Yarrow, "This photograph, taken against the setting sun in West Texas, has such a broad range of colours that we decided it was best to print it that way. I am a believer in the ...

This means that yarrow is really only hardy down to zone 5 when it's in a planter, and it may not survive if left outside all winter in colder zones. Read more: 15 Types Of Red Flowers That Will ...