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 Getting Started
Moisture is the key to success with all the plants mentioned. None are difficult provided they have cool, humus-rich, moist conditions and the soil does not dry out during the summer. Planting is best done in the spring when they will grow away quickly. Having said this, they can be planted at other times except in very wet, dry or frosty conditions.
Take great care with lysichitons is needed as the thick roots can easily be damaged, if broken it can result in the loss of the plant. Lysichitons require deep soil, they can be grown in full sun or light shade. Other plants mentioned earlier are all happy in open, sunny spots.
More for Less
Division is the best method of increasing calthas, this should be done directly after flowering, replant immediately. Iris sibirica can be carefully lifted and divided after the foliage has died down, or in early spring. With Lythrum, here again division, in the autumn after flowering has finished.
The lovely Primula prolifera can be grown from seed, prick out seedlings when large enough to handle and pot individually. Grow on until the following spring when they can be planted out. The most difficult of the five is Lysichiton, this can also be grown from seed but takes some time to reach flowering size. On established specimens it is often possible to find young plants around the base of old rhizomes. Lift carefully and pot using a rich loamy soil, grow on, keep moist and lightly shaded, once established plant out. |
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