GARDEN on chalk. Sometimes, I wish I didn’t. It’s not only rhododendrons, camellias and magnolias that are a complete no-no. Time and again, I find a lily or an iris, a primula or a gentian that cannot be grown in my garden. It’s not fair, because there are thousands of forbidden plants that I can never cultivate, but only a handful of goody-goody plants that actually prefer chalk. At best, one might say that chalk gardens are different; at worst, people say they are boring. That’s not fair,
