![]() ![]() Cultivars of Geum rivale can be divided when there are lots of conspicuous rhizomes spreading across the surface of the soil. When clumping Geum quellyon cultivars get woody and begin to deteriorate, lift the plant and immerse the root ball in a bucket of water, so it can be gently pulled apart. Methods of division vary according to the species. If more plants are required, plants can be divided as soon as they are sufficiently large and established. ![]() This will create lots of fresh new plants and prolong the longevity of the clone. Different varieties mature at different rates, so rather than adhering strictly to the idea of dividing every three to four years, keep an eye on the plant and divide it for maintenance purposes when it starts to look tired. Propagate plants by division in autumn and spring to conserve the named variety geums do not tend to come true from seed. How to grow geum How to divide and propagate geum © Getty Images There is a cluster in the Balkans, mainly alpines such as Geum coccineum, and another one in South America, including Geum quellyon, which are the ancestors of the big commercial cultivars.” "In the south there is Geum urbanum or wood avens, which grows in shaded copses, and in the north we have larger Geum rivale or water avens, which is found in damp and shady locations. “In the British Isles, there are two native species of geum," says Sue Martin, who now holds the UK’s only National Collection of Geum. The edible leaves and clove-scented roots have been used for brewing, baking and in medicinal tinctures to combat chills and catarrh – and even protect against plague. Geums are evergreen and resistant to pests and diseases - they are said to be slug, deer and rabbit resistant. Many geums attract bees and butterflies and also make good cut flowers. They are perfect for the front or middle of a border and can also be grown in pots. Geum flowers are typically orange, red or yellow, but also peach and pale pink. Several applications may be needed at 7-10 day intervals.ĭay neutral, will flower under any day length.Hard-working and handsome, geums (also known as avens) are hardy perennials that come into bloom in late spring (they are often spotted in show gardens at the RHS Chelsea Flower Show) and carry on flowering well until summer. Liner soil line should be placed even with container soil line.įor control of flower height use Bonzi at 30 ppm or Sumagic at 5 ppm as stems begin to emerge from the foliage. Keep uniformly moist, but not consistently wet. ![]() ![]() Plant in late winter to late spring in a well-drained soilless media. Flowers earlier and more profusely following a cold treatment.Īphids, black vine weevil, leafminers and spider mites can sometimes be problematic. This can also be incorporated into the potting media at a rate equivalent to 0.9 to 1.1 pounds of elemental nitrogen per yard of media.Ĭold beneficial. If using controlled release fertilization, apply as a top dressing on the soil surface using the moderate labeled rate. Using water soluble fertilizers, apply 150-200 ppm of nitrogen as needed, or use a constant liquid feed program at rates of 75-100 ppm nitrogen. Geum will grow well under low to moderate fertility levels.
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