Silphium laciniatum

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• To: <prairie@mallorn.com>
• Subject: Silphium laciniatum
• From: "* S* <g*@swbell.net>
• Date: Wed, 23 Sep 1998 19:37:01 -0500

I'm in Dallas, TX.
We had a rainy end to our winter, and drought since then.
I have  a patch of S.lac. about 50 x 50 ft; it has been growing well every
year from seed planted 14 years ago.  This year it all turned brown about
April, and never formed flowering heads.
Another patch a mile away failed the same way.
And the many stands on our primeval unplowed prairies at Penn Prairie did
the same.

Any ideas, explanations, suggestions?  How have yours fared?

Envirocordially yours    Geoff


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