Small orange/brown pustules on the leaves of plants could be a sign of infection by a rust fungus. James Iremonger, Heriot Watt University Student, will be searching Edinburgh…
Larkspur is an easily grown annual that repays the cost of a packet of seed many times over. Sow early spring under glass and transplant into moist soil…
In a sunny spot to the south of the rock garden are several plants of Penstemon filiformis. Revelling in this summer’s warmth and flowering profusely in response to…
Corylus ferox is a native to the Himalayas and NW China, found in association with Acer, Viburnum, Hippophae, Salix, spp. Seed was collected from a 6m x 5m…
Moving away from mid-summer and there are signs that autumn may soon be with us. An ungainly specimen of Rosa sertata is producing hips. These are a deep…
As the first Poppies (Papaver rhoeas) begin to flower in the Royal Botanic Garden Edinburgh’s World War One commemoration field we are currently being treated to a mass…
The weather during the past ten months has ensured a flowering season like no other. A long autumn to ripen wood followed by a benign winter and warmth…
The never ending problem of dealing with greenfly and whitefly on the Botanics collection of plants under glass is now being tackled with biological control. Wasps that parasitise…