Zip code 91901 is in USDA hardiness zone 9b, which means plants there can survive temperatures as low as 25 to 30°F each year.

91901 is in zone 9b. Hardiness zones and growing zones are the same thing, and the terms are used interchangeably.

Use zone 9b when selecting plants for 91901. Plants rated for other zones may not survive 91901's winter temperatures. Always check plant tags and labels for zone recommendations.

While you can try plants from other zones in 91901, they may need winter protection or indoor shelter during cold spells. Focus on plants recommended for Alpine's climate for the best results.

For detailed growing zone information, visit our page on the growing zone for Alpine.

Absolutely. We offer plant recommendations for every town in the United States. We have a page on the best plants for Alpine that you might be interested in.

Recommended vegetables for 91901 include Beets, Bell Peppers, Broccoli, Bush Beans, Carrots, Celery, Collard Greens, Cucumbers, Eggplant, Kale, Okra, Radishes, Southern Peas, Spinach, Squash, Sweet Corn, Sweet Potatoes, Swiss Chard, Tomatoes and Zucchini.

The best fruits for 91901 include Apricots, Avocados, Bananas, Blueberries, Figs, Grapefruits, Guavas, Kaki Persimmons, Kiwis, Kumquats, Lemons, Limes, Mangoes, Olives, Oranges, Papayas, Passion fruits, Peaches, Plums and Pomegranates.

For 91901 we recommend flowers like African Lily, Azaleas, Bird of Paradise, Bougainvillea, Camellia, Dahlia, Daylily, Gardenia, Geraniums, Hardy Hibiscus, Hibiscus, Jasmine, Lantana, Lavender, Marigold, Morning Glory, Oleander, Petunias, Rose and Rosemary.

Trees for 91901's temperatures include American Holly, Bald Cypress, Black Walnut, Green Ash, Hackberry Tree, Japanese Maple, Live Oak, Meyer Lemon Tree, Red Maple, Redbud, Satsuma Mandarin Tree, Saucer Magnolia, Silver Maple, Southern Magnolia, Sugar Maple, Sweetgum, Sycamore Tree, Tulip Tree, Weeping Willow and White Oak.

We're still building our shrubs database for 91901. Our data is updated regularly with the latest USDA data, so check back often.