How to grow gaura<br>Sow seeds indoors. Plan on starting the seeds indoors five to nine weeks before the date you intend to transfer the seedlings to your outdoor garden. [substeps] For annual varieties, sow the seeds five to six weeks before the anticipated last frost.
If you grow the annual variety of gaura, you want to make sure you sow the seeds 35-42 days before the last anticiapted frost. 