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It’s hard to beat tuberous begonias for bringing brilliant, long-lasting color to shady gardens. These eye-catching tropicals produce loads of large, lightly fragrant flowers that bloom continuously throughout the summer and fall, right up until the first nip of frost.
Grow begonias in peat-free, multi-purpose compost in dappled sunshine to partial shade. Plant tubers of tuberous begonias in spring. Only plant begonias outside in May, when no more frosts are forecast. Water regularly and feed every week or so with a high-potash fertiliser such as tomato feed.
17 maj 2023 · In general, tuberous begonias can be grown as perennials only in USDA Hardiness Zones 9 to 11, as they’re pretty frost-sensitive. In colder regions you should plan to grow them as annuals, or lift the tubers for winter storage before the first frost.
27 sie 2024 · Dormant or store-bought tuberous begonias can be started indoors in late winter or early spring (about 8 weeks before the last frost) by placing them in a warm area with indirect light to reacclimate and sprout.
12 wrz 2023 · Another species, the tuberous B. grandis, or hardy begonia, grows as a perennial in USDA Hardiness Zones 6 to 9, so gardeners in parts of the Midwest, Southeast, and Northwest are able to keep this type alive in winter in the ground or in a container.
17 lis 2021 · For tuberous begonias, which often have larger and more abundant leaves than their fibrous cousins, your goal is to preserve only the tubers (which reside underground in the root ball) so that they can regenerate the following spring. Method 1. Bringing Fibrous Begonias in for Winter. Download Article. 1.
When to plant tuberous Begonia. Plant tubers indoors in spring in pots just deep enough to cover the tubers; plant 2 to 8 to 10 weeks before the last frost date. Transplant tubes outdoors after all danger of frost has passed or plant in place outdoors when nights are above 50°F/10°C.
