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From: Rowlett, TX
Region: Southwest
Topic: Diseases and Disorders, Transplants, Watering, Herbs/Forbs
Title: Root rot and transplant shock in Texas betony
Answered by: Joe Marcus
The problem you describe is likely stem rot caused by overwatering. While it is true that well-established Texas betony, Stachys coccinea, can tolerate - and even appreciate - more frequent watering than it would receive in the wild, newly installed plants are especially sensitive to root and stem rot brought on by too much water.
To help your plants better weather transplanting, you should cut 1/3 to 1/2 of the tops off of them at planting. Hard pruning will reduce stress on the roots and will reduce the likelihood of root or stem rot. Also, allowing the soil to dry out more between waterings will help, especially while your transplants are becoming established.
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