These hardylow-maintenanceplants, which will survive the winter inUSDA Zones 6 to 9,bloom abundantly in container gardens.
They can reseed, growing their colony with each passing season.
Eager to add easygoing color to your garden?
ADENTRIRUMOKO / Getty Images
Begonia Grandis Care
Here are the main care requirements for growing hardy begonias or begonia grandis.
Light
Begonia grandis is a perennial flower that blooms best in partial shade or shade.
Soil
Rich, moist, well-draining soil is ideal for begonia grandis.
igaguri_1 / Getty Images
The plant will do best in soil that has lots oforganic matterand has aslightly acidic pH.
If the soil is too wet or doesn’t have adequate draining, it could cause root rot.
Water
Begonia grandis prefers soil that is moist but not too moist.
During the hottest days of summer, you may need to water more.
It is hardy down to Zone 6 and tolerates summer heat up to Zone 9.
Despite its tropical look, it is nota hot water-loving tropical plant.
Once temperatures hit much below freezing, the foliage will begin to die back until the next winter.
Look for a variety that is slow release fertilizer with phosphorous.
However, regulardeadheading of old flowerscan encourage the blooms to continue throughout summer and fall.
However, it’s possible for you to propagate begonia grandis using stem or leaf cuttings in the spring.
They thrive in Zones 6-9, where they are a colorful addition to shady spots.
What Do Begonia Grandis Flowers Look and Smell Like?
Begonia grandis blooms are small pink or white flowers that hang delicately from a darker pink stem.
They have a soft orange blossom fragrance.
Their foliage is a vibrant bright green with dramatic red veining on its underside.
Tip
Because of their colorful blooms, begonias are an excellentpollinator plant.
Add them to your garden to encourage bees, butterflies, and other welcome pollinators.
Throughout the blooming season, you should deadhead regularly to keep new flowers filling in.
They can be a target for bugs like mites, mealybugs, thrips, whiteflies, and nematodes.
They can suffer from root rot if conditions are too moist or powdery mildew.
Common Problems With Begonia Grandis
There are cases where your begonia grandis may not flower as expected.
Too much water can cause the leaves to turn yellow.
They will grow in the ground, but verify they’re in partial or full shade.