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Hardiness
Zones:
4
to 9 |
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Habit:
Deciduous |
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Growth
Rate: -- |
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Site
Requirements: Sun;
range of soil types; does well in poor dry soil |
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Height:
6
to 15 feet |
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Width:
5
to 15 feet |
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Texture:
Medium |
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Form:
Leggy;
most of the leaves occur on the upper one-third of the plant |
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Flower/Fruit:
Narrow,
8 to 20" racemes of deep purple flowers with gold stamens
in summer; small warty kidney-shaped seed pods
|
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Foliage:
Bright
green leaves; modest yellow fall color |
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Comments:
Flowers
attract butterflies; spreads easily by seeds and can become
invasive; tolerates poor site conditions; leafs out late in
spring; develops foliage disease problems
|
![](https://webarchive.library.unt.edu/eot2008/20081204193151im_/http://www.ces.ncsu.edu/depts/hort/consumer/factsheets/graphics/triangle.gif) |
Cultivars:
--
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