Comments on: Edgeworthia chrysantha

By: Larry Weaver

Larry Weaver — Mon, 22 Mar 2010 18:20:50 +0000

3/23/2010
I bought our Edgeworthia at the Swathmore plants sale last Fall and planted it in Chalfont, PA. 6B, 20 miles north of Swathmore. We are pleased to anounce the opening of all 15 buds, such as they are, despite temps in the teens this winter. We planted the new addition on the south side of our house and protected all sides but the South with burlap. This specimen has a single trunk measuring about 10″ above the ground with four lateral primary branches. I would like to improve it’s shape. Will the suckers if they develop, produce flowers eventually? FYI, I did see an Edgeworthia at the Baywoods golf club in DE at the first tee. I though it too needed some serious shaping help, or maybe it didn’t…

By: Jim Collin

Jim Collin — Tue, 19 Jan 2010 00:57:40 +0000

I am testing Edgeworthia chrysantha in San Francisco, California. Year three, 2010, and it is doing extraordinarily well despite our cool, wet winters.

By: Andrew Bunting

Andrew Bunting — Tue, 05 Jan 2010 19:03:43 +0000

According to the lasest USDA hardiness map Swarthmore is Zone 7. I have noticed slight hardiness differences between Swarthmore and Wayne and Chestnut Hill, etc. Therefore, if you can give your Edgeworthia a little winter protection that will ensure that the buds survive the winter since they are set the previous fall before spring flowering.

Andrew Bunting, Curator

By: Felicia

Felicia — Tue, 29 Dec 2009 08:10:30 +0000

Is Swarthmore really zone 7? I live in Wynnewood, PA and I thought that was zone 6b, but it is only a few miles away from Swarthmore. I planted a Edgeworthia last spring based on the Scott Arboretum’s successes with these plants. Anything special I should do to help it survive?

By: Andrew Bunting

Andrew Bunting — Mon, 28 Sep 2009 15:46:29 +0000

I would think that Edgeworthia is not flower hardy in zone 6. Here in Swarthmore, USDA Zone 7, we sometimes will get flower kill during the colder winters.

Andrew Bunting, Curator

By: Karen Krohn

Karen Krohn — Fri, 25 Sep 2009 16:30:52 +0000

Miriam,

Do you know if they cover the Edgeworthia for the winter?
I live in CT (zone 6 but warming). I covered mine last year and most of the blossoms dried and fell off. Any suggestions? Thanks. Karen

By: Miriam

Miriam — Tue, 28 Apr 2009 18:09:48 +0000

Philip,
Yes, Edgeworthia does sucker and that is normal. However, yearly pruning is not an issue for this plant and pruning is best avoided.

By: Philip Schumacher

Philip Schumacher — Tue, 28 Apr 2009 11:46:30 +0000

Is suckering a regular habit of Edgeworthii and is it a yearly pruning issue?

By: Miriam

Miriam — Fri, 24 Apr 2009 18:12:25 +0000

Barbara,
Thanks for your question! Edgeworthia does not really like being pruned, so I wouldn’t make a regular habit of it. But, if you do decide to prune yours, do so after the plant has finished flowering.

By: Barbara Shaw

Barbara Shaw — Fri, 24 Apr 2009 15:45:30 +0000

Miriam,
When is the best time to prune an edgeworthia if you want to keep it small?