Propagation Protocol for Rock Evening Primrose, Oenothera caepitosa Nutt.


Rock evening primrose is readily grown from seeds. Mature capsules are collected between late summer and early fall. Seeds are removed from capsules by dring them for 4 wk in paper bags. Any capsules that have not yet opened on their own after drying can be opened manually. Seeds must be stratified for about 120 d to ensure germination. Seedlings can be grown to sufficient size in 1 y for outplanting using a standard medium and filter.
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Publication Native Plants Journal
Section 023
Author T. Luna
Volume 8
Number 1
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