Introduction
There is a special kind of excitement that comes with planting your first begonia. Whether you choose a variety with shimmering silver leaves or one that overflows with bright, rose-like blossoms, these plants offer an immediate reward. At Longfield Gardens, we enjoy helping home gardeners find the perfect varieties to turn a shady porch or a quiet garden corner into a vibrant oasis. If you’re ready to shop, start with our Begonia Flower Bulbs for Sale collection.
Caring for begonias is often simpler than people expect. While they have a reputation for being a bit particular, they actually thrive when you provide just a few basic needs. This guide will walk you through everything you need to know to keep your plants healthy, from understanding light and water to managing the change of seasons. For a broader overview of light, soil, and temperature, see our Best Growing Conditions for Begonias.
Whether you are growing them in a garden bed or a hanging basket, success comes down to matching your care routine to the specific type of begonia you have. With the right approach, these plants will provide beautiful color and lush foliage from spring through the first frost of autumn. If you love baskets and trailing displays, take a look at our Hanging Begonias collection.
Identify the Begonia You Are Growing
Before you can provide the best care, you need to know which type of begonia is in your garden. Different varieties have different needs for light, water, and soil. Most home gardeners grow one of three popular types.
Wax Begonias
Wax begonias are the classic choice for garden beds and borders. You can recognize them by their fleshy, succulent-like stems and waxy, rounded leaves that may be green or bronze. They are compact and bloom nonstop with small white, pink, or red flowers. They are very resilient and can often handle more sun than other types.
Tuberous Begonias
These are the showstoppers of the begonia world. They grow from a thick, potato-like tuber and produce large, dramatic flowers. Some varieties, like the Double Delight series, have trailing stems that look incredible in hanging baskets. For more help choosing the right tuberous type, our How to Plant and Care for Begonias guide covers the basics in more detail. Tuberous begonias generally prefer cooler temperatures and filtered shade.
Rex and Foliage Begonias
While many begonias are grown for their flowers, Rex begonias are prized for their spectacular leaves. Their foliage can feature swirls of silver, purple, burgundy, and emerald green. These are often grown as houseplants or in shaded containers where their intricate patterns can be appreciated up close. If you plan to keep them indoors, the How to Care for an Indoor Begonia article is a useful next step.
Choose the Best Location
The first rule of begonia care is "right plant, right place." Begonias are famous for their ability to brighten up shady spots, but "shade" can mean many things. Finding the balance between too much sun and too much darkness is the first step toward a healthy plant.
Light Requirements
Most begonias prefer filtered light or dappled shade. In the wild, they often grow under forest canopies, so they like the "bright but indirect" light found there. If a begonia gets too much direct afternoon sun, its leaves may scorch or turn brown at the edges.
If your garden gets morning sun and afternoon shade, your begonias will likely thrive. If you have a very sunny spot, look for varieties with bronze leaves, like certain wax begonias or the Surefire series. Darker foliage typically handles direct sunlight better than green-leaved varieties. For a deeper look at where begonias perform best, see Where to Buy Begonia Plants for a Vibrant Shade Garden.
Protection from Wind
Begonias have brittle stems that can snap in heavy gusts. If you are planting them in hanging baskets or tall containers, place them in a spot that is sheltered from strong winds. A protected porch or a corner near a fence is often ideal.
Key Takeaway: Match your begonia to the light available. Bronze-leaf varieties handle more sun, while green-leaf and Rex types prefer deep, filtered shade.
Mastering the Art of Watering
Watering is the most important part of begonia care. Because begonias have fleshy stems that store some water, they are more sensitive to overwatering than underwatering. The goal is to keep the soil moist but never soggy.
The Knuckle Test
Before you reach for the watering can, check the soil. Stick your finger about an inch into the dirt. If the soil feels damp, wait a day or two. If the top inch feels dry to the touch, it is time to water. This simple check prevents the roots from sitting in too much moisture.
Where to Apply Water
Always aim the water at the base of the plant rather than splashing it over the leaves. Wet foliage can lead to fungal issues like powdery mildew. If you are growing begonias in containers, ensure the pots have drainage holes. For more container-specific advice, the How to Care for an Indoor Begonia guide covers watering basics clearly.
Adjusting for Weather
During a heatwave, your plants will need water more frequently. In contrast, if the weather is humid and cool, the soil will stay damp longer. If your begonias are in hanging baskets, they will dry out much faster than those planted in the ground. Check containers daily during the peak of summer.
Soil and Potting Basics
Begonias need a home that allows their roots to breathe. If the soil is too heavy, like thick clay, the roots can suffocate and rot.
For Garden Beds
If you are planting in the ground, work some compost or leaf mold into the soil before planting. This helps the soil stay loose and rich in nutrients. If your garden has heavy clay, consider planting your begonias in raised beds to ensure better drainage.
For Containers
Use a high-quality, all-purpose potting mix. Avoid using garden soil in pots, as it is too heavy and won't drain well enough. A mix that includes perlite or vermiculite is helpful because it creates tiny air pockets for the roots.
Spacing Your Plants
Give your begonias room to grow. Air circulation is vital for preventing disease. For smaller wax begonias, space them about 6 to 8 inches apart. Larger varieties, like the Surefire Red, may need 12 to 18 inches of space to reach their full potential.
Feeding for Continuous Blooms
Begonias are "heavy feeders." This means they use a lot of energy to produce those beautiful leaves and flowers all summer long. To keep them looking their best, you should provide a regular supply of nutrients.
Choosing a Fertilizer
A balanced, water-soluble fertilizer works well for most begonias. Look for a formula where the three numbers on the label (nitrogen, phosphorus, and potassium) are equal, such as a 10-10-10. If you are growing tuberous begonias specifically for their large blooms, you can use a fertilizer slightly higher in phosphorus.
Frequency of Feeding
For most varieties, fertilizing once every two to four weeks during the growing season is sufficient. If you prefer a "set it and forget it" approach, you can mix slow-release fertilizer granules into the soil at planting time. This will provide a steady stream of nutrients for several months.
When to Stop
As the weather begins to cool in late summer or early autumn, stop fertilizing. This allows the plant to naturally slow down its growth as it prepares for the changing seasons or winter dormancy.
What to Do Next:
- Check your soil moisture using the finger test.
- Apply a balanced liquid fertilizer every few weeks.
- Clear away any fallen leaves or debris from the soil surface to maintain hygiene.
Maintenance and Grooming
One of the best things about modern begonias, like the Double Up series, is that many are "self-cleaning." This means the old flowers fall off on their own, so you don't have to spend hours pinching them off. However, a little grooming still goes a long way.
Deadheading
If you are growing older varieties of tuberous begonias, you may need to "deadhead." This simply means removing the faded flowers. Removing old blooms encourages the plant to put its energy into making new flowers rather than producing seeds.
Pinching for Fullness
If your begonia starts to look "leggy"—meaning it has long, thin stems with few leaves—you can pinch back the tips. Use your thumb and forefinger to snip off the top inch of a stem just above a leaf node. This encourages the plant to branch out, resulting in a bushier, fuller appearance.
Keeping it Clean
Keep an eye out for any yellowing or damaged leaves. Snip these off as you see them. This keeps the plant looking tidy and helps prevent pests from finding a hiding spot.
Understanding Temperature and Zones
Begonias are tropical plants by nature. They love warmth and are very sensitive to the cold. At Longfield Gardens, we ship our begonias based on your USDA hardiness zone to ensure they arrive when it is safe to plant. If you want to learn more about timing and shipping, our Best Growing Conditions for Begonias guide covers zone-related planting basics.
Planting Time
Do not be in a rush to get begonias into the ground in the spring. Wait until the soil has warmed up and the danger of frost has completely passed. Nighttime temperatures should consistently stay above 50°F before you move your begonias outdoors.
Summer Heat
While begonias like warmth, extreme heat can be stressful. If temperatures regularly climb above 90°F in your area, your plants will appreciate extra shade during the hottest part of the day. Keeping the soil consistently moist (but not wet) also helps them stay cool through evaporation.
How to Handle Potential Problems
When you provide the right light and water, begonias are generally trouble-free. However, if your plant looks a bit unhappy, it is usually easy to fix by making one small change at a time.
Powdery Mildew
If you see a white, flour-like dusting on the leaves, it is likely powdery mildew. This fungal issue happens when air is stagnant or when leaves stay wet. To fix this, move the plant to a spot with better air circulation and make sure you only water the soil, not the foliage.
Yellowing Leaves
Yellow leaves are often a sign that the plant is getting too much water. If the soil feels soggy, let it dry out completely before you water again. If the plant is in a pot, make sure the drainage holes aren't blocked.
Leggy Growth
If your begonia is reaching toward the light and looks thin, it probably needs a bit more brightness. Move it to a spot that gets more filtered sunlight. You can also pinch the stems back to encourage new, thicker growth at the base.
Key Takeaway: Most begonia issues are related to water or light. Adjust one variable at a time and watch the plant for a week to see if it improves.
Overwintering Begonias
Because begonias are tender perennials (hardy only in Zones 9–11), they will not survive a freezing winter outdoors in most parts of the US. However, you can save them to enjoy again next year. For seasonal timing, shipping, and plant quality details, see Where to Buy Begonia Plants for a Vibrant Shade Garden.
Saving Tuberous Begonias
For tuberous types, wait until the first light frost kills back the foliage. Dig up the tubers and trim off the stems, leaving about an inch attached. Let the tubers dry in a cool, indoor spot for a few days. Once dry, store them in a box of peat moss or sawdust in a cool, dark place (around 40-50°F). In the spring, you can sprout them indoors before moving them back outside.
Moving Wax and Rex Begonias Indoors
Wax and Rex begonias can be brought inside and grown as houseplants. Before the first frost, move the pots into a bright room away from direct heat vents. They may lose a few leaves as they adjust to the lower light of your home, but they will often continue to grow slowly throughout the winter.
Reducing Water in Winter
Plants grow much slower in the winter. Whether you are storing tubers or keeping plants as houseplants, you must reduce your watering. Overwatering in winter is the fastest way to lose a plant to rot.
Using Begonias in Your Landscape
Begonias are incredibly versatile. Their ability to grow in both sun and shade makes them the perfect "bridge" plant for many landscapes.
In Containers and Baskets
Trailing tuberous begonias are the gold standard for hanging baskets. They create a lush, fountain-like effect of flowers. Use upright varieties like the Surefire series in large patio pots as a "thriller" element, surrounding them with smaller "filler" plants like lobelia or bacopa. For more on basket-friendly types, explore our Hanging Begonias collection.
For Mass Plantings
Wax begonias are perfect for creating a carpet of color. When planted in large groups, they create a uniform look that stays neat all season. They are also excellent for edging walkways or bordering a shaded flower bed. If you want to browse the full selection again, visit the Begonia Flower Bulbs for Sale page.
Indoor Decor
Don't forget the power of foliage! A Rex begonia in a decorative ceramic pot can brighten up a home office or a kitchen counter. Their unique leaf patterns make them feel more like a piece of art than a simple plant. For more indoor growing ideas, see How to Care for an Indoor Begonia.
Conclusion
Taking care of begonia plants is a rewarding journey that adds layers of color and texture to your home and garden. By focusing on the basics—filtered light, well-draining soil, and the "knuckle test" for watering—you can grow these stunning plants with confidence. Whether you are planting a formal border or a single hanging basket, begonias offer a long season of beauty for very little effort.
- Choose the right variety for your light levels (bronze for sun, green or Rex for shade).
- Water the soil, not the leaves, and always ensure your pots have good drainage.
- Fertilize regularly throughout the summer to fuel constant blooming.
- Protect from frost by bringing plants in or storing tubers during the winter months.
At Longfield Gardens, we are committed to helping you succeed with premium plants that are true to variety and ready to thrive. To learn more about our promise, read About Us & Our Guarantee. With a little care and the right timing, your begonias will be the highlight of your garden this year.
Gardening is a partnership with nature. When you provide the right environment, begonias will reward you with beauty that lasts from the first warm days of spring until the leaves begin to turn in the fall.
FAQ
Do begonias need sun or shade?
Most begonias prefer partial shade or filtered sunlight. While wax begonias with bronze leaves can handle more direct sun, most varieties will scorch if they are exposed to harsh afternoon sunlight. A spot with morning sun and afternoon shade is usually perfect.
How often should I water my begonia?
You should water begonias when the top inch of soil feels dry to the touch. This usually means once or twice a week, but you may need to water more often during hot weather or if the plant is in a hanging basket. Always check the soil first to avoid overwatering.
Can I grow begonias as houseplants?
Yes, many begonias, especially the Rex and fibrous-rooted varieties, make excellent houseplants. They thrive in bright, indirect light and appreciate the consistent temperatures of a home. Just be sure to keep them away from dry heat vents and maintain some humidity around the plant.
Why are the leaves on my begonia turning brown?
Brown, crunchy edges on begonia leaves are usually a sign of "leaf scorch" caused by too much direct sun or very dry air. If this happens, move your plant to a shadier location and ensure the soil is staying consistently moist. Avoid getting water on the leaves, as this can also cause spotting.
