Overwatering is the main cause of mold problems in rex begonias, and waterlogged soil will cause mold attack in a short time. Rexes like humid air but do not like wet foliage. Leaving water pooled on the leaves over night or misting in the evening can cause mold.
Water. Rex begonias require regular water, but be careful not to overwater them. They thrive on humidity but be careful if misting leaves that they don't stay too wet and encourage powdery mildew. 2 Let the soil surface become dry to the touch before watering.
The Begonia rex requires bright but indirect sunlight. This plant is only a semi-tropical plant. And it's beautiful leaves are sensitive to direct sunlight. Direct sunlight can cause damage to this plant.
It's a medium grower that lasts for many years when given the proper care. As a climbing vine, it's often trained on a trellis, pole, or hoop but also looks great in a hanging basket. The heart-shaped leaves are the highlight of this plant.
After you become a proficient grower of rex begonias, you will want to try your hand at cross-pollinating. This is easily done on a bright, sunny morning when the pollen is ripe, and when the yellow, twisted pistil becomes slightly moist with a sticky substance Read more
With 2,002 species, Begonia is one of the largest genera of flowering plants. The species are terrestrial (sometimes epiphytic) herbs or undershrubs, and occur in subtropical and tropical moist climates, in South and Central America, Africa, and southern Asia.
The most common cause of brown leaf edges is that your Begonia is incredibly dry. Your Begonia likes consistent moisture. Begonias do not like soggy soil or to sit in water, so be sure to discard any water that has accumulated in the saucer after Read more
Many cultivars of the begonia are adept at keeping your air clean, the rex begonia among them. That said, it may be worth increasing your light and adopting a wax begonia, which is super-efficient in clearing benzene from indoors.
Rex begonias: A subgroup of rhizomatous, Rex begonias (Begonia rex), are widely available, sold by florists and garden centers year-round, and generally reach 12 to 18 inches tall and wide. Their distinct foliage makes them a popular houseplant, but they can be finicky.
Like many houseplants, Rex begonias should be fertilized when they are actively growing. Use a dilute, quarter-strength, water soluble fertilizer once every 2 to 3 weeks during the growing season. Refrain from fertilizing from October until there is new growth in the spring.
Regular watering is vital for a Begonia plant. However, be careful not to overwater them. The painted leaf begonia should be watered evenly throughout the summer and growing season. Before watering, allow the soil surface to become dry when you touch.
Outdoors, rex begonias like part- to deep shade, ordinary potting soil, and water when the top inch or so of the soil is dry. In Sunset climate zones 14–24, H1, and H2, begonias can remain outdoors year-round. In colder climates, bring plants indoors before cold Read more
The ASPCA lists Rex Begonias as toxic to both cats and dogs.
Rex Begonias are super plants for outdoor and indoor containers and look fabulous year round, with or without blooms. The variety of different leaf colors, shapes, and patterns is simply amazing, and they are easy keepers in the right conditions.
Rex Begonias can be grown from seed, planted as nursery seedlings or propagated from a leaf cutting. The seeds are infinitesimally small and visible only under a microscope. Since the seeds are hard to handle, it is best to start a new plant from a Read more
Most species of begonias can be damaged by temperatures lower than 45 or 50 degrees. Shown above, an Angel Wing begonia. Take a gradual approach to moving houseplants outside. A gradual approach is best for moving houseplants outside.
Begonias are both perfect and self-fertile. Placenta– the tissue to which the ovules are attached in the ovary, in Begonias it is a vertical plate which projects into the locule cavity. In short, where the seed is attached to until it becomes ready for collection.
don't do well with cool temperatures. The American Begonia Society considers 55 degrees Fahrenheit the lower end of begonias' comfort zone, though some hybrids may be more cold-tolerant. In any case, when your forecast calls for temperatures in the 40s, it's time to give your Read more
General Rules. The main rule of thumb for watering begonias is to not let the soil dry out completely. Stick your finger into the soil, and if it dry to your first knuckle, it's time to water.
Even the fancy rex begonias and tuberous begonias will grow in water, and only a single leaf is necessary to start a whole new plant. It may take a couple of months for roots to form, and it's wise to perform weekly water changes to Read more
Will tolerate dry air but prefer high humidity. Avoid misting, which can lead to problems with powdery mildew.
Rex begonias need a high level of humidity – 50 percent or more – but not too much water and no fertilizer during winter. Grow plants in shallow pots and provide lots of light without direct sun, which can burn the foliage. During winter, rex Read more
INDOOR PLANT TO PURIFY THE AIR – This Rex Begonia indoor plant will make use of its effective air-purifying qualities to revitalise and freshen up the atmosphere around it. Then, for continued growth and progression, water the plant once a week when the soil is Read more
During winter, rex begonia may drop many or all of their leaves as they enter a dormant period. Continue to water, but very lightly, until the plant produces new leaves in spring.
These regal beauties give a long season of pleasure flourishing outdoors when nighttime temperatures are above 55°. Rex begonias are striking enough to go solo in a container. Outdoors, rex begonias like part- to deep shade, ordinary potting soil, and water when the top inch Read more
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.
A Begonia rex needs fast-draining soil. The soil should be porous. It needs bright but indirect sunlight and the soil should always be moist.
The most common cause of brown leaf edges is that your Begonia is incredibly dry. Your Begonia likes consistent moisture. Do not allow more than the top half of the soil to dry between watering.
Overwintering: Rex begonias make excellent houseplants and can easily be overwintered indoors. To supply plants with adequate humidity, place containers on a tray of gravel, where runoff water may collect, evaporate, and raise the air-moisture level. Avoid placing plants near drafts.
Rex Begonias grow well in a broad pH range, but prefer more acidic media; pH 5.7 to 6.2 is optimal in peat-lite soils. No shading is required when producing Rex Begonias during the winter months or in regions with naturally occurring lower light levels.
A Begonia rex needs fast-draining soil. The soil should be porous. It needs bright but indirect sunlight and the soil should always be moist. The original Begonia rex had dark leaves with wonderful silver designs.
semperflorens, sem-per-FLOR-enz) the fleshy leaves and flowers are edible raw or cooked. They can have a slight bitter after taste and if in water most of the time, a hint of swamp in their flavor. Sauteed alligator with Begonia sauce might be a musty challenge Read more
With their beautiful canopy of leaves, and a wide array of colorful bloom and foliage options, begonias are becoming widely popular once again. And with good reason – this old-time classic flowering annual has all-season lasting bloom power!
Generally, the rex begonia indoors prefers relatively cool temperatures, moist soil and humid conditions. Rex begonias do well in bright indirect light. Some direct sun is okay for short times, especially if it is from an eastern window that has morning sun, which is gentler.
Rex-cultorum Begonia Leaves The leaves are heart-shaped and are the most striking foliage producers. The leaves can be bright red, green, pink, silver, gray and purple in vibrant combinations and patterns. The leaves are slightly hairy and textured adding to the interest of the foliage.
Rex begonias require minimal pruning unless long, bare stems require cutting back, or you'd like to create a fuller plant. Using clean pruning snips simply cut the stem back to the base and the remaining portion should sprout new leaves and stems. Pinching the tips Read more
Caterpillars and earwigs cause similar damage to slugs and snails. They eat small, rounded holes in the begonia's leaves. You are likely to find damage to your begonia plants both day and night with these pests, rather than only in the morning. You can control Read more
Yellowing leaves, particularly affecting the lower leaves first. Brown leaf tips despite good humidity and soil moisture. Leaves dropping from the plant, often with soggy, limp petioles. Your begonia is wilting despite the soil feeling wet to the touch.
All popular types of begonias—including rex, tuberous, rhizomatous, or semperflorens—are safe bets.
However, gardeners should be aware that despite its alluring appearance, the begonia can be surprisingly toxic if eaten. Cats and other small mammals are especially vulnerable to the effects due to the relatively small amount of begonia that will need to be eaten in order Read more