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The Global Insight

How do I get my begonias to bloom

Author

Emma Valentine

Updated on April 16, 2026

Select a location receiving more direct morning or evening sunlight than mid day sun. Early morning / late day sunlight is much cooler with less intense rays. By keeping begonias out of the mid-day direct sun, the plants have less stress, and will produce more blooms.

How do I encourage begonias to flower?

Begonias need some light during the day to flourish and bloom, but they burn in full sunlight. To encourage healthy blooming, plant your begonias in a place where they will get filtered sunlight in the morning and be in the shade for most of the afternoon.

What is the best feed for begonias?

Feed tuberous begonias weekly with tomato feed in summer, especially pot-grown plants. Alternatively, add a slow-release fertiliser pellet to the compost when planting. Never feed tuberous begonias into September as plants should be encouraged to slow down for the year.

Can I use Miracle Grow on begonias?

Once a week apply half strength (1/2 T Miracle Grow or other soluble plant food per gallon) fertilizer solution in place of regular watering, being sure to give the basket enough so that liquid seeps from the bottom of the pot. Tuberous begonias are not heavy feeders, so don’t overdo it.

What month do begonias flower?

Begonias grow in moist, shady gardens where they have well-drained soil, wind protection and filtered or indirect sunlight. A typical blooming season starts in June and ends with the first frost. They are so easy to grow that a broken stem or leaf stalk stuck in soil often roots as a new plant.

Is Epsom salt good for begonias?

While many gardeners attest to using Epsom salt on their plants to enhance their pH levels or add magnesium, it may not be ideal for begonias specifically. If your plants lack magnesium sulfate, it’s better to find fertilizers sufficient in this mineral.

Why does my begonia not flower?

The tuberous begonia suffers flower bud drop if it is overwatered or overfertilized. The plant needs moist soil that dries between waterings. This reduces disease and encourages blooms. The begonia benefits from application of a water-soluble balanced fertilizer once or twice a month.

Does begonia bloom all summer?

Begonias brighten up shady areas with their colorful blooms. Unlike most flowering plants, which require at least a half day of full sun, begonias actually prefer growing in the shade. They also never have a down time. Once begonias start flowering, they bloom continuously from summer to frost.

How do you keep begonias blooming?

Select a location receiving more direct morning or evening sunlight than mid day sun. Early morning / late day sunlight is much cooler with less intense rays. By keeping begonias out of the mid-day direct sun, the plants have less stress, and will produce more blooms.

How do you care for potted begonias?
  1. 1) Plant begonia in pot that allows about 2 inches of space all the way around the roots. …
  2. 2) Begonias like to sit in locations that have daily full to partial morning sunlight.
  3. 3) Put the plant on a regular watering schedule. …
  4. 4) Feed the plant a balanced houseplant fertilizer once a month.
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Do begonias like coffee grounds?

A well draining soil mix is a must. Begonias do not like wet feet and will easily drop leaves if they are over watered. … Begonias benefit from an acidic soil, which the peat moss gives it. Adding some used coffee grounds to the soil will work wonders for begonias.

Do begonias like fish emulsion?

Tuberous Begonias in Garden Beds Prior to the onset of flower buds, you will want to administer a 5-1-1 fertilizer, such as fish emulsion for tuberous begonia feeding.

Do begonias need deadheading?

Hardy in U.S. Department of Agriculture zones 6 through 11, depending on the cultivar, begonias (Begonia spp.) do not require deadheading to thrive. Rather they self-clean by dropping spent flowers on their own, says the University of Illinois Extension.

How do you grow begonia bulbs?

Plant the tubers 1” deep in moist growing mix and water sparingly. When the plants have one or two leaves, transplant them into individual 8” pots or combine several in a larger container. If you are planting directly into the garden, position the sprouted tubers about 5” apart and cover them with 1” of soil.

How often should you water begonias?

A good rule of thumb is to water every two to four days. When it’s hot and dry you’ll need to water more often than when the air cools down and the soil holds more moisture. Begonia plants in full sun will also require more water than plants in shady locations.

Do begonias come back every year UK?

Although often sold as half-hardy annuals, most Begonias varieties are actually perennials. However, they are not at all frost hardy. The following article will give you advice on bedding begonias over-winter within the UK. … Tuberous rooted begonias are prone to attack by Vine Weevil grub during the Summer.

Why are my begonias all leaf and no flowers?

If the plant’s leaves are light green, or the leaves don’t roll, the plant isn’t receiving enough food.” Begonias need fast-draining soil high in humus. … In late fall, when bloom production stops and the leaves yellow and fall off, the plants can be forced into dormancy by withholding fertilizer and water.

How do I get my Begonia maculata to flower?

Bright indirect light will help your Begonia Maculata to flower. If you keep your plant in dim light then it is less likely to bloom.

How long does it take for begonias to bloom?

It takes 12 to 14 weeks for a tuberous begonia to bloom after the tubers are planted, so most gardeners like to start their begonias indoors eight weeks before the last frost date or even sooner.

Is vinegar good for plants?

Though vinegar can be fatal to many common plants, others, like rhododendrons, hydrangeas and gardenias, thrive on acidity which makes a bit of vinegar the best pick-me-up. Combine one cup of plain white vinegar with a gallon of water and use the next time you water these plants to see some amazing results.

Are tea bags good for plants?

Composting tea bags is a “green” method of disposal and terrific for the health of all your plants, providing organic matter to increase drainage while maintaining moisture, promoting earthworms, increasing oxygen levels, and maintaining soil structure for a more beautiful garden.

Is baking soda good for plants?

Baking soda on plants causes no apparent harm and may help prevent the bloom of fungal spores in some cases. It is most effective on fruits and vegetables off the vine or stem, but regular applications during the spring can minimize diseases such as powdery mildew and other foliar diseases.

Do begonias flower again?

Grooming: Flowering begonias often bloom continuously for months, so be sure to remove spent flowers and dead leaves to keep plants looking their best. If you have a Rex Begonia, remove the small flower buds as they start to emerge so that the plant can concentrate its energy on the foliage.

Why do my begonias look so bad?

Overwatering and underwatering are the most common causes of a begonia wilting. Begonias wilt quickly once their soil dries out, but maintaining excessively wet soil can also result in dramatic wilting due to root rot. Temperature stress, transplant shock, pests, and disease can also cause drooping.

Will a begonia flower in the shade?

Used in containers, hanging baskets and bedding schemes, begonias provide continuous colour throughout the summer until the first frosts. They are easy to care for and all grow well in partial shade.

What do you do with begonias at the end of the season?

Cut back most of the top of the plant, leaving the ball of roots and soil intact. Place in a dry, cool storage area (a basement or garage) and allow the tubers to cure for several weeks. After curing, shake off the soil and remove the remaining stalks and roots.

How do you revive begonias?

Clean the pot with bleach, then add sterile potting mix. Replant the begonia and water it, making sure the water drains well, as root rot is more common in waterlogged soil. If the plant is outdoors, move the plant to new location to help prevent reinfection by the root rot fungus.

Do begonias flower every year?

This results in at least four months of blooms a year and if looked after properly, they will come back year after year so one purchase will give years of enjoyment in your garden. Begonias are extremely versatile and can be used in different ways. … Begonias are particularly well suited to growing in pots.

Do begonias do better in pots or in the ground?

Because begonias do best in warmer temperatures that don’t fall below 60 degrees Fahrenheit, they are often used as houseplants and in shaded summer beds. … Tuberous begonias are suitable options for begonia container gardens as they work well with the light texture of potting mix, and they work as bedding plants, too.

Do begonias like eggshells?

Scatter crushed shells around your plants and flowers to help deter plant-eating slugs, snails, and cutworms without using pesticides. Plus, deer hate the smell of eggs, so the shells also help keep Bambi away from your begonias. 3.

Is Epsom salts good for plants?

Epsom salt helps improve flower blooming and enhances a plant’s green color. … It can even help plants grow bushier. Epsom salt is made up of hydrated magnesium sulfate (magnesium and sulfur), which is important to healthy plant growth.