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| Category: Succulent |
| Family: Nolinaceae (~Agavaceae) |
| Origin: California (U.S.A.) |
| Evergreen: Yes |
| Flower Color: Creamy White |
| Bloomtime: Infrequent |
| Height: 1-2 feet |
| Width: 2-3 feet |
| Exposure: Full Sun |
| Summer Dry: Yes |
| Irrigation (H2O Info): No Irrigation required |
| Winter Hardiness: 25-30° F |
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Nolina interrata (Dehesa Bear Grass) - Dehesa bear grass occurs in localized populations from the interior foothills of San Diego County to northwestern Baja California, Mexico. Most populations of N. interrata are situated in relatively rugged terrain dominated by chaparral, which is often associated with nutrient-poor soils, cool wet winters and hot dry summers. Nolina interrata does not flower every year and reproduces primarily asexually from underground stems. However, fires and other disturbances will induce profuse blooming and timed controlled burns may be necessary to maintain population vigor. A total of about 9,000 Nolina interrata plants are known. Occurrences that are entirely female require pollen from disjunct male plants to fertilize the flowers and produce viable seeds. Nolina interrata is cultivated at the Huntingdon Desert Garden, where it flowers annually.
The information on this page is based on research conducted in our nursery library and from online sources as well as from observations made of this plant as it grows in our nursery, in the nursery's garden and in other gardens that we have visited. We have also incorporated comments received from others and always appreciate getting feedback of any kind from those who have some additional information, particularly if this information is contrary to what we have written or includes additional cultural tips that would aid others in growing Nolina interrata.
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