Claire WhitakerBy Claire Whitaker

Updated November 2026

Are begonia annuals or perennials? The short answer is that it depends on your climate and which begonia you are growing. Begonias are tender perennials. In USDA zones 9 through 11, many types will live for years and bloom again each season. In colder zones, where frost arrives and the ground freezes, most gardeners treat begonias as annuals, pulling them out in fall or lifting the tubers to store indoors. If you garden somewhere mild, a perennial approach makes sense. If you garden somewhere cold, treating begonias as annuals is the simpler and more reliable choice.

Begonias are a large genus, with well over a thousand species and many hybrids, so the answer is not always the same. Tuberous begonias, wax begonias, and rex begonias each behave a little differently. Bottom line: begonias are perennials by biology, but annuals by practice for most of the country.

Begonia Annual vs Perennial: Side-by-Side Comparison

Criterion Begonias as Annuals Begonias as Perennials
Life cycle Planted, bloom, and removed within one season Live multiple years with overwintering
Hardiness Suitable for any zone with frost-free planting Realistically limited to zones 9–11 outdoors
Winter care None outdoors; discard or store tubers Mulch, reduce water, or move indoors
Bloom duration Continuous from late spring to frost Long bloom in mild climates, shorter in cool summers
Effort per year Plant fresh each spring Less replanting, but ongoing pruning and winter protection
Plant size over time Stays young and compact Can become woody and leggy after several years
Best for Containers, beds, and cold-climate gardens Mild climates and established shade gardens

Hardiness and Climate: Which Option Wins?

Climate decides this question more than anything else. Most begonias, including wax begonias (Begonia semperflorens-cultorum hybrids) and tuberous begonias, are damaged by temperatures near freezing. Tuberous begonias are typically rated as tender, with foliage and tubers at risk once soil temperatures drop toward the low 40s Fahrenheit. Wax begonias tolerate cool nights but are killed by frost.

Winner: Annual approach for zones 1–8; perennial approach for zones 9–11. If you live in zone 7, a begonia can technically survive the ground if it is heavily mulched and the winter is unusually mild, but results are inconsistent. You will do better planting fresh stock each year. In zones 9 through 11, many begonias will carry on from year to year in the ground, and some will reach a size where division becomes worthwhile.

Check your local average last frost date and first frost date before deciding. Begonias should not go outdoors until nights stay above roughly 50°F, and they should come in before the first frost. Keep in mind that microclimates matter: a south-facing wall in zone 8 may behave more like zone 9.

Winter Survival: The Clearest Difference

This is where the two approaches differ most in practice. A begonia treated as a perennial needs to get through cold months, and that takes planning.

Winner: Annual approach, because it requires no winter work. Growers in colder areas usually compost or discard the plants in fall. Tuberous begonias are the exception: after the first light frost blackens the foliage, you can dig the tubers, brush off the soil, let them dry for a few days in a shaded, airy spot, and store them in dry peat or vermiculite at around 40–50°F. Check them monthly and discard any that shrivel or rot.

For perennial growers in zones 9–11, the main task is reducing water as days shorten and removing dead leaves to prevent rot. Container begonias can be moved to a bright, cool indoor window. Light is the limiting factor, so expect some leaf drop and leggy growth until spring.

Bloom Time and Flowering Length

Winner: Annual approach, in most gardens. Wax begonias and many hybrids bloom nearly nonstop from late spring until frost when they are planted fresh in full sun to part shade. Plants raised from new stock have vigor that older plants often lack. Deadheading spent flowers every week or two encourages more blooms.

Perennial begonias in mild climates can bloom almost year-round, which is a real advantage. But older plants, especially those that have gone woody, may flower less heavily. Renewing a plant with cuttings every few years keeps flowering strong.

Effort, Maintenance and Long-Term Growth

Winner: Depends on the gardener. Annual begonias require an annual shopping or propagation step, but they stay compact and tidy all season. Perennial begonias require less replanting, yet they need pruning, pest checks, and sometimes repotting to stay attractive. Rhizomatous and cane-type begonias can become leggy. Cut them back by one-third in spring to encourage bushy growth.

If you enjoy taking cuttings, perennial care can be low cost in effort. Stem cuttings root readily in moist perlite or potting mix, and a single healthy plant can supply many new starts. Keep the cutting humid, bright, and out of direct sun until new growth appears.

Which Should You Choose?

  • Choose the annual approach if you garden in zones 1–8, want continuous color with minimal winter work, or plan to use begonias in hanging baskets and bedding displays.
  • Choose the perennial approach if you garden in zones 9–11, enjoy overwintering plants, or want shade beds that fill in over several years.
  • Choose tuberous begonias and store the tubers if you live in a cold region but want the plants back each year.
  • Choose wax begonias for beginners because they tolerate a wide range of light and are forgiving of watering mistakes.
  • Choose rex or rhizomatous begonias as houseplants if you want foliage interest indoors all year rather than outdoor color.

For a broader look at how these choices fit into a planting plan, see Are Begonia Plants Perennials? Types, Winter Care and Zones. If you are growing begonias indoors, Strawberry Begonia Houseplant Care: A Step-by-Step Guide for Healthy Growth covers the light and watering habits that keep them healthy year-round.

Product Picks for Each Approach

For gardeners choosing the annual route, a standard potting mix made for containers helps begonias drain well and avoid root rot. Look for a mix labeled for container or flowering plants.

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For perennial growers, a slow-release organic fertilizer supports strong growth over multiple seasons without burning roots.

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Gardeners who want to overwinter tuberous begonias will benefit from dry, sterile storage medium such as vermiculite.

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Shoppers with a budget can choose a basic all-purpose potting mix and a simple slow-release fertilizer and still get good results. Premium options with added perlite or peat may suit gardeners in very wet climates.

FAQ

Are begonias perennials or annuals in cold climates?

In cold climates, most begonias are grown as annuals. Their tender foliage and tubers do not survive hard freezes. Tuberous types can be lifted and stored over winter and replanted in spring, which gives you a perennial-like result.

Are begonias annuals or perennials in zone 9?

Zone 9 is mild enough that many begonias behave as perennials. They can survive outdoors in the ground, especially in partly shaded, protected spots. Mulch the base in winter and reduce watering to keep them through cool months.

Do begonias come back every year?

Begonias come back each year only where winters are mild or where tubers are stored indoors and replanted. In most of the US, they will not return on their own after a hard frost.

Can wax begonias be kept over winter?

Yes, wax begonias can be brought indoors before frost. Pot them in a bright window, keep the soil barely moist, and expect some leaf drop. Many gardeners find it easier to take cuttings in late summer and grow new plants from those.

Is it worth overwintering begonias?

It is worth it for large, established plants or for rare cultivars you cannot easily replace. For inexpensive bedding types, starting fresh each spring is usually less work and gives a fuller plant. If you have questions about your specific plant, a local extension office or certified nursery professional can give advice tailored to your region.

Conclusion

So, are begonia annuals or perennials? Biologically they are tender perennials, but in most of the United States they are best treated as annuals. Gardeners in zones 9 through 11 can grow them as perennials with minimal fuss, while cold-climate growers get the most reliable results by planting fresh each year or storing tubers over winter. Match the approach to your climate, and you will get the bloom time and plant health you want.

Claire Whitaker

About Claire Whitaker

Claire Whitaker is part of our editorial team and reviews and edits our plant care Q&A guides, checking product details against manufacturer specifications and owner feedback.