Propagating Corms And Rhizomes - Points You Need To Look At

One of the wonderful attributes of rhizomes, corms and tubers is that they are successful self propagators, by creating both new growth below ground and seeds above. What are rhizomes? Anyone who has planted a cannas from what seems like a small rhizome in late winter will be amazed at the sheer quantity of root material that can be dug up the following autumn after just one summer's growth, that is a mass of rhizomes all waiting to be divided and propagated. If that was not enough, some cannas are also generous producers of seed.

What about corms? With corms the story is different. After flowering the old corm dies, and a new one forms on top of the old one, with clusters of corm lets around the sides. In this way some cormous plants are able to form quite large clumps, which need to be divided every three years or so to prevent over crowding and congestion. Cormous plants can also propagate themselves by seed, for example, naturalizes well in late winter grassland where the grass is fine.

Bluebell is a prolific self seeder. If you wanted to plant a new bluebell wood, you would no doubt be impatient for the results, but if you had them growing in your garden borders, you would probably be waging war on the new patches of bulbs before too long. Avoid planting English bluebell near Spanish bluebell because cross fertilization will occur with a dilution of the natural stock of English bluebell, which are less vigorous than the Spanish plant. Seeds from tulbaghia may be collected and sown in small pots. After a year they may be potted on into new permanent containers.

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