Rose Care - Knowledgebase Question

university place, Wa
Question by pude_hartzel
April 22, 2009
how do I plant and care for the climbing rose Jeana LaJoie?


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Answer from NGA
April 22, 2009

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Plant your new rose in a sunny spot, in soil amended with organic matter to help it hold moisture. Climbing roses bloom on new stems that grow on old wood. Pruning them back in late winter will encourage new, flowering stems. If you do not prune, most of the new growth will be at the ends of the main canes instead of lateral stems that produce flowers. Roses need two things for blooms: sun and nutrients. Are your plants receiving at least 6-8 hours of sun daily? If so, they might be missing essential nutrients. Nitrogen, phosphorous and potassium are the 3 major nutrients for all plants. (They correspond to the 3 numbers on fertilizer packages.) Nitrogen promotes growth of green leaves. Phosphorous is essential for blooms. Roses are heavy "feeders" during their bloom period. When you feed, use a Rose Formula fertilizer. The second and third numbers on the package should be higher than the first. Or, if you want to grow organically, roses benefit from applications of greensand, which contains potassium, and bone meal, which contains phosphorus. Both of these nutrients are important for flowering. The thing to avoid is feeding them with high-nitrogen fertilizer that will encourage foliage growth at the expense of flowers. Keep them consistently moist and mulch with 2-3 inches of compost to help maintain soil moisture. Rosarians I know fertilize their roses every 6 weeks during the blooming season. Prune your roses this winter and by next summer your climbers will have enough old wood to produce new flowering stems and you should have lots of blooms.

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