How to Grow Gloxinia 'Empress'
Wikimedia Commons
Gloxinia 'Empress'
Sinningia speciosa 'Empress'
flowerGloxinia 'Empress' is a stunning tropical houseplant prized for its large, velvety flowers in deep purple or burgundy tones, often with contrasting white edges or throat markings. This compact herbaceous perennial produces dramatic blooms atop attractive fuzzy foliage and thrives as an indoor ornamental. It requires careful attention to humidity and watering but rewards dedicated gardeners with weeks of spectacular flowering.
When should you plant Gloxinia 'Empress' in your zone?
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Example Gloxinia 'Empress' timeline · Pittsburgh, PA (Zone 6b)
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Plant Gloxinia 'Empress'
Around Apr 17Near Pittsburgh's average last spring frost.
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Tend & protect
Late spring–summerWatering, feeding, and pest-watch reminders.
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First Gloxinia 'Empress' blooms
Around Jul 16≈ 90 days after planting
Sample dates for Pittsburgh, PA. Sign up to get exact Gloxinia 'Empress' dates for your own zip code.
Growing Conditions
Soil
Growing Zones
Find your zone →Zones 10b-12; primarily grown as a houseplant in cooler climates
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Tuber Dormancy/Sprouting
2-4 weeksTuber remains dormant in cool, dry storage or begins sprouting with new leaf emergence
Start tubers in moist potting mix in warm (70-75°F), bright conditions; maintain soil moisture without overwatering
Vegetative Growth
4-6 weeksPlant develops multiple fuzzy leaves arranged in rosette pattern; no flowers yet
Maintain bright, indirect light and consistent moisture; provide humidity via pebble trays or misting; keep at 70-80°F; fertilize weekly with dilute balanced fertilizer
Bud Formation
2-3 weeksFlower buds appear between leaf clusters, swelling gradually over time
Continue consistent watering and humidity; maintain stable temperatures; reduce fertilizer nitrogen to encourage flowering; ensure 12+ hours of light daily
Flowering
4-8 weeksLarge, velvety, ruffled flowers bloom in deep purple/burgundy with contrasting markings; multiple blooms appear in succession
Maintain high humidity and consistent soil moisture; remove spent flowers to encourage more blooms; keep away from cold drafts; provide bright indirect light
Post-Flowering/Dormancy Transition
4-6 weeks until complete dormancyFlowers fade and drop; foliage yellows and dies back naturally
Gradually reduce watering; allow foliage to completely dry; store tuber in cool (55-60°F), dry location; do not water during dormancy period
Companion Planting
Plan your garden →Plant with:
Avoid planting near:
Common Pests
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Increase humidity to 60%+ which deters mites; spray with water to rinse; use insecticidal soap if severe
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Use yellow sticky traps; remove heavily infested leaves; apply neem oil or insecticidal soap
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Remove with alcohol-dampened cotton swab; isolate plant; apply insecticidal soap or horticultural oil
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Improve air circulation; reduce humidity slightly; remove affected leaves; avoid wetting foliage; use fungicide if severe
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Ensure excellent drainage; do not overwater; use sterile potting mix; repot if affected; may be irreversible if severe
Uses
Not for consumption
CulinaryGloxinia is ornamental only and should not be ingested. [source]
Indoor decoration and houseplant
HouseholdGloxinia 'Empress' is prized as an indoor flowering houseplant, adding dramatic color and texture to living spaces, patios, and greenhouse displays. [source]
Cut flower arrangements
CraftThe large, velvety blooms make striking cut flowers for floral arrangements, lasting 1-2 weeks in water with proper care. [source]
Hummingbird and pollinator attraction
WildlifeIndoor gloxinias may attract hummingbirds if displayed near windows or outdoors; the tubular flowers are adapted for pollinator visitation in their native habitat. [source]
Harvest Tips
Gloxinia is grown for ornamental flowers rather than harvest. Enjoy blooms for 4-8 weeks; deadhead spent flowers to extend flowering period; cut flowers can be brought indoors for 1-2 weeks in a vase with water.
Fun Facts
- 🌱 Gloxinia 'Empress' is native to South American tropical rainforests and is actually a succulent that stores energy in an underground tuber, allowing it to enter dormancy during dry seasons.
- 🌱 The fuzzy, velvety texture of gloxinia leaves and flowers is caused by fine leaf hairs (trichomes) that help the plant reduce water loss in its native humid environment.
- 🌱 Gloxinias are self-fertile and can produce tiny seeds if flowers are hand-pollinated, though tuber propagation is far more practical for home gardeners.
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