I have germinated seed of C. miniata, C. rhexifolia and C. sulphurea in a
soil-based compost and managed to grow some of them on to maturity, the C.
sulphurea being the most recalcitrant. I read somewhere years ago that to keep
them healthy you either need to grow them in partnership with another plant,
which I have tried with little success, or feed them regularly with a high-N
fertilizer to substitute for the N that they would normally receive from host
plants. This works very well and I find in my wet climate and with a
free-draining soil, that if I do not feed, say 4 to 5 times each growing season
they grow less well, have yellower foliage, and generally 'go back'.
John
Min temp 25F -8C
John and Pam Good
Bod Hyfryd
Graiglwyd Road
Penmaenmawr
Conwy LL34 6ER
01492 622051
Tel. +44(0)1492 622051
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