On Tue, 1 Jun 2004 21:38:46 -0500, "Elizabeth"
opined:

Up and down IH-35 between Round Rock and Georgetown, there are beautiful,
flowering shrubs that have huge, long, purple, flowering spikes.

What are they and how fast do they grow?

They are Vitex and I have one which is about 12 feet tall. On roadsides they do
not get as large. In a cultivated garden, it can be limbed up into a small
tree, about 18 feet at climax growth...which takes about a dozen years or so.
Mine is magnificent this year.

Victoria


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