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 A sure sign that spring has arrived is when a fine patch of kingcups or marsh marigold, Caltha palustris is in full bloom, with its lovely rich yellow chalice-shaped flowers held well clear of the shiny deep green foliage. This caltha is equally at home in boggy conditions or shallow water. There are a number of forms available, and one with double flowers, equally are freely produced.
A member of the huge iris family that enjoys cool moist conditions is Iris sibirica, commonly referred to as the 'Siberian Iris', it does, in fact, occur in parts of Europe and Asia. While this iris is a moisture-lover it should never be planted in very wet conditions. Easy going plants that can be left to build up into sizeable clumps, in the spring rewarding with a long succession of flowers on strong 90cm (36") stems.
 This is a splendid iris for a waterside location. Individual flowers can be as much as 8cm (3") across, each stem carries one or more branches. Many have flowers of varying shades of blue, look out also for those with white and pale yellow blooms, they make a fine contrast.
A firm favourite is 'Silver Edge', as its name indicates the petals have a fine line around them. 'Cambridge' is a much lighter blue, while an established clump of 'Wisley White' will surely brighten the edge of any pond or stream. Most varieties, as already mentioned, grow fairly tall, one not to overlook is the aptly named, free-flowering, 'Little Sister', this variety reaches just 30cm (12") in height with its rich blue flowers held well clear of the foliage. |
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