bud union - Knowledgebase Question

albany, Ne
Question by reflint1
April 4, 2009
what is the bud union on the rose bush


Image
Answer from NGA
April 4, 2009

0

Most hybrid roses are grafted onto a vigorous root stock. This graft is called the bud union and it is usually just above the roots. You can identify it because it is a swollen area on the main stem. A bud union is more frost sensitive than the top or the roots of a rose so it's a good idea to plant a rose with the bud union buried in the soil, or to protect the bud union with mulch over the winter months. Hope this answers your question!

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