Marginal Plants For The Garden Pond – The Iris

| February 3, 2012 | 0 Comments

This plant deserves a full article all of its own. The Iris. There are 3 species of Iris which can be considered to be true aquatic plants for growing all year round in the shallows of a pond and I consider it to be unthinkable to have a collection of Marginals without having at least one of these beautiful plants growing in your pond.

The most important species for the ordinary garden pond is Iris Ieavigata (Japnese Water Iris). The three petalled blooms are somwhere in the region of about 5 inches across and they are borne on 2 ft. high stems. The first flowers normally open in June and are clear blue with a yellow line down the centre of each petal. A second flush of blooms may appear in September depending on the climate that you are living in.

There are a number of varieties, you can choose from ‘Snowdrift’ (white with 6 petals), ‘Dorothy’ (blue with a white line down the centre of each petal), ‘Variegata’ (blue, leaves variegated yellow and green) and the hybrid I. ‘Rose Queen’ (rose-pink). The planting depth for I. laevigata and its varieties is 0 – 3 inches. I.pseudacorus (Yellow Flag or Yellow Water Iris) is more vigorous and taller than I. Iaevigata. The foliage is 3 – 4ft. lond and the yellow flowers are on stems that can reach as high as 3 ft.

The species is too course for ordinary garden ponds but the variety ‘Variegata’ (2 – 2.5 ft. high) with its more restrained growth habit and cream leaves edged with green makes an uotstanding choice. Other varieties include ‘Sulphur Queen’ and ‘Bastardii’. The planting depth for I. pseudacorus and its varieties is 2 – 4 inches.

The third aquatic species is I. versicolor (American Blue Flag). This is a restrained plant for the smaller pond. Its leaves are 2 ft. long and the flower stalks are 1.5 – 2 ft. in hight. The violet blue flowers begin to appear in June or July and they have narrow petals blotched with gold at the base. The popular variety is ‘Kermesina’ with claret red flowers flecked with white. The planting depth for I. versicolor and its varieties is 2 – 4 inches. Propagation: To propagate these plants all you need to do is divide the clumps as soon as the flowering has finished.

That just about covers all that I want to say about this beautiful plant. I do hope that I have not gone on too long about the Iris but I do feel strongly about this plant. From a personal point of view, if you haven’t got an Iris or two growing in your pond then you really do will need to add them. You certainly won’t regret it. The vibrant colours and sizes of these plants will amaze you as well as any visitors that you may have. I could have made this article a lot longer but I don’t want the readers to get bored. Please, give the Iris a chance. By


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Category: Further Reading

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