Grafted Red-Flowering Horse Chestnut

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Grafted Red-Flowering Horse Chestnut

Post  William Feldman on Mon Apr 29, 2013 2:04 am

In mid-June of 2011 I side-grafted a scion from a red-flowering horse chestnut onto a 2 or 3-year-old horse chestnut seedling. The scion was from the end of a branch, and had one leaf and one large terminal bud. I cut off most of the leaf, leaving only the petiole.

Nothing happened for the rest of the summer. I cut off the stock just above the graft union in December of 2011. In March of 2012 the scion's terminal bud began to swell.










In the Spring of 2013 the scion actually pushed out a flower stalk.








Here's a closeup of the graft union:


William Feldman
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Horse CHESTNUT

Post  bonsaisr on Mon Apr 29, 2013 3:04 am

Why?
Iris

bonsaisr
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Re: Grafted Red-Flowering Horse Chestnut

Post  William Feldman on Mon Apr 29, 2013 3:22 am

Horse chestnut seedlings generally produce white flowers. The red-flowering variety is propagated by grafting, and a graft from old wood produces blossoms much sooner than a seedling does.

William Feldman
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Re: Grafted Red-Flowering Horse Chestnut

Post  matievski on Mon Nov 17, 2014 1:14 am

Did you take pictures this spring 2014? Did it flowered red flowers?
Do you have any bud wood to share?

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Re: Grafted Red-Flowering Horse Chestnut

Post  William Feldman on Mon Nov 17, 2014 1:51 am

Sorry, no pictures.  I removed all but a few of the 2013 flower buds because I thought that blooming would weaken the tree too much.  The buds I let open turned out more pink than red.  It did not bloom this past spring, but it has a very big terminal bud now which gives me hope for a flower spike next spring.

There are mature red-flowering horse chestnuts planted as street trees in State College, Pennsylvania.  I expect I'll collect more scions there next June, but it would not be a simple matter to transport them since they are not dormant.

Here is a photo of the parent tree.

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Re: Grafted Red-Flowering Horse Chestnut

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