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Growing Begonias

Growing Begonias

Santa Cruz Sunset Begonia



Hybrid Tuberous Begonias have attractive leaves and flowers. They make great plants for pots, window boxes, and hanging baskets and can also be used in garden beds. Often grown as annuals, they are tender (zone 10) perennials with bulb-like tubers. Tubers are irregular, with the top concave (curved in) and the bottom rounded outward. Plant outdoors in spring after all danger of frost. Cover tubers with about an inch of soil and keep them moist until they sprout.


Best in partly shaded areas, and dislikes full sun conditions. Prefers cool climates and dislikes hot, dry summer conditions. Best in moist, well-drained soil with good organic matter content. Before the first fall frost, bring potted plants inside or dig up plants and store tubers in dry peat moss or vermiculite in a cool, frost-free area for the winter. Overwintered tubers can be planted again indoors 8 to 10 weeks before the last spring frost.

Fertilizer Recommendations

Use full rates of Algoflash Flowering Plant 4-6-7 Liquid Fertilizer (51087), Neptune Fish & Seaweed Fertilizer 2-3-1 (51221), or Osmocote 14-14-14 (51173).

Alternative Products

Ferns and Polygonatum falcatum Variegatum (13855) are hardy foliage plants for shaded spots. Melittis var. Royal Velvet Distinction (64863) is a hardy flowering perennial for part shade.

Complimentary Products

Plants are moderate feeders and benefit from regular fertilization. Sluggo Slug Bait (50190) can be used if snails or slugs are a problem. Can be combined with annual plants in mixed containers.

Product Recommendations

Eight Insecticide Liquid Concentrate (50025) can be used if insects attack plants.

Begonia Facts

Generally easy-to-grow as long as plants are in a favorable location. Powdery mildew and stem rot diseases can occur in humid climates. Aphid, mealybug, whitefly, slugs, and snails sometimes attack plants. Can be grown as a houseplant.

Growing Tips