Intermediate
skill rating
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Begonia koelzii (Koelz's begonia)
2 hours care
per year
per year
0.5m
Max height
Max height
0.75m
Max spread
Max spread
2-5 years
To maturity
To maturity
Plant details
Botanical name
Begonia koelzii
Other names
Koelz's begonia
Genus
Begonia Begonia
Species
B. koelzii - B. koelzii is a clump-forming, rhizomatous, deciduous perennial with upright, red-mottled stems bearing rounded to triangular, deeply lobed, mid-green leaves and pink flowers in late summer and early autumn.
Begonia koelzii is: Deciduous
Habit
Clump-forming, Upright
Flower
Pink in Summer; Pink in Autumn
Foliage
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
How to care
Watch out for
Specific pests
Caterpillars , Aphids , Mealybugs , Tarsonemid mites , Thrips Caterpillars , Aphids , Mealybugs , Tarsonemid mites , Thrips
General care
Pruning
Remove faded leaves as necessary.
Propagation
Separate rhizome sections in summer. Forms plantlets/bulbils where the leaf blade and petiole meet.
Propagation methods
Bulbils, Rhizome sections, Seed
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Where to grow
Begonia koelzii (Koelz's begonia) will reach a height of 0.5m and a spread of 0.75m after 2-5 years.
Suggested uses
Sub-Tropical, Indoor, Greenhouse, Containers, City
Cultivation
Grow in humus-rich, moist but well-drained soil in partial shade. Recently discovered and new to cultivation, exact hardiness is unknown. Reportedly hardy to -8C. Protect with a thick, dry winter mulch in cold areas.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained
Soil pH
Acid, Neutral
Light
Partial Shade
Aspect
South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4), Tender in frost (H3)
Companion plants
We do not currently have companion plants added for this plant.
Botanical name
Begonia koelzii
Other names
Koelz's begonia
Genus
Begonia Begonia
Species
B. koelzii - B. koelzii is a clump-forming, rhizomatous, deciduous perennial with upright, red-mottled stems bearing rounded to triangular, deeply lobed, mid-green leaves and pink flowers in late summer and early autumn.
Native to
India
Foliage
Deciduous
Habit
Clump-forming, Upright
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Colour
Flower
Pink in Summer; Pink in Autumn
Foliage
Mid-green in Spring; Mid-green in Summer; Mid-green in Autumn
How to care
Watch out for
Specific pests
Caterpillars , Aphids , Mealybugs , Tarsonemid mites , Thrips
General care
Pruning
Remove faded leaves as necessary.
Propagation
Separate rhizome sections in summer. Forms plantlets/bulbils where the leaf blade and petiole meet.
Propagation methods
Bulbils, Rhizome sections, Seed
Monthly care advice
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Where to grow
Begonia koelzii (Koelz's begonia) will reach a height of 0.5m and a spread of 0.75m after 2-5 years.
Suggested uses
Sub-Tropical, Indoor, Greenhouse, Containers, City
Cultivation
Grow in humus-rich, moist but well-drained soil in partial shade. Recently discovered and new to cultivation, exact hardiness is unknown. Reportedly hardy to -8C. Protect with a thick, dry winter mulch in cold areas.
Soil type
Chalky, Clay, Loamy, Sandy (will tolerate most soil types)
Soil drainage
Moist but well-drained
Soil pH
Acid, Neutral
Light
Partial Shade
Aspect
South, East, West
Exposure
Sheltered
UK hardiness Note: We are working to update our ratings. Thanks for your patience.
Hardy (H4), Tender in frost (H3)
USDA zones
Zone 11, Zone 10, Zone 9, Zone 8
In order to add a note on this plant, please add this plant to your plant lists.
| This plant likes... | Garden match | |
| Soil types: | Chalky, Clay, Loamy, Sandy (will tolerate most soil types) | Tell us... |
| Soil drainage: | Moist but well-drained | Tell us... |
| Soil pH: | Acid, Neutral | Tell us... |
| Light: | Partial Shade | Tell us... |
| Aspect: | South, East, West | Tell us... |
| Exposure: | Sheltered | Tell us... |
| Hardiness: | Hardy (H4), Tender in frost (H3) | Tell us... |
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