How to Grow Gloxinia Avanti

Gloxinia Avanti

Sinningia speciosa 'Avanti'

flower

Gloxinia Avanti is a compact, everblooming hybrid cultivar of the tropical Sinningia speciosa, prized for its velvety, trumpet-shaped flowers in shades of purple, pink, red, white, or bi-colors. It blooms more prolifically and continuously than traditional gloxinias, making it an excellent choice for indoor gardeners. The plant features attractive heart-shaped, fuzzy foliage and is typically grown as a houseplant or in warm greenhouse conditions.

Looking for a specific variety?

Avanti White Avanti Purple Avanti Red Avanti Pink Avanti Bicolor Avanti Blue

Growing Conditions

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Sun: Bright, indirect light for 12-14 hours daily; avoid direct sun which can scorch foliage

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Water: Keep soil consistently moist but not waterlogged; water when top inch of soil is dry. Use room-temperature water and avoid wetting foliage to prevent leaf spotting. Reduce watering during dormancy periods.

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Spacing: 8 inches

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Days to maturity: 60-90 days from tuber sprouting to first flowers

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Planting depth: Plant tubers with dimpled side up, just barely covered with soil (about 0.5 inches)

Soil

Type: Light, well-draining, humus-rich potting mix

pH: 6.0-6.5

Amendments:

Peat moss or coconut coir Perlite or vermiculite Orchid bark Compost

Growing Zones

Find your zone →

Zones 10-11; typically grown indoors as a tropical houseplant in cooler climates

10a 10b 11a 11b

Growth Stages

Tuber Dormancy/Starting

2-4 weeks

Dormant tuber stored in cool, dry conditions or newly potted tuber beginning to sprout small leaves

Start tubers in moist soil at 70-75°F; provide bottom heat (heating mat) to encourage sprouting. Keep soil lightly moist but not wet.

Vegetative Growth

3-4 weeks

Rapid leaf and stem development; plant forms bushy mound with multiple stems and heart-shaped fuzzy leaves

Provide bright indirect light 12-14 hours daily. Maintain warm temperatures (70-80°F), high humidity (50-70%), and consistent moisture. Apply diluted fertilizer every 1-2 weeks.

Bud Formation

1-2 weeks

Flower buds appear at leaf axils throughout the plant; buds are small, tight, and colorful

Maintain optimal light, warmth, and humidity. Continue regular feeding with balanced or slightly higher phosphorus fertilizer to support abundant flowering. Ensure consistent watering.

Flowering

4-16+ weeks (continuous with proper care)

Spectacular, velvety, trumpet-shaped flowers open in succession; Avanti variety produces continuous blooms rather than single flush

Pinch off spent flowers to encourage more blooming. Maintain humidity and consistent watering. Continue light feeding. Avanti typically reblooms continuously throughout the growing season.

Senescence/Dormancy

4-8 weeks

As day length shortens or temperatures cool, flowering slows; foliage may yellow and plant prepares for dormancy

Gradually reduce watering as growth slows. Lower temperature to 60-65°F to trigger dormancy. Stop feeding. Allow leaves to die back completely. Store tuber in cool (50-60°F), dry location for 4-8 weeks of rest.

Companion Planting

Plan your garden →

Plant with:

African violet Streptocarpus Episcia Begonia Achimenes

Avoid planting near:

Drafty vents or air conditioning Direct afternoon sun windows Very dry locations Cool-season plants

Common Pests

Isolate affected plant; remove with alcohol-soaked cotton swab or spray with insecticidal soap. Repeat weekly if needed.
Increase humidity; spray foliage with water (avoiding flowers) or use miticide. Improve air circulation.
Yellow sticky traps; spray with insecticidal soap or neem oil weekly. Remove heavily infested leaves.
Spray with strong water stream; use insecticidal soap or neem oil if severe.
Remove and destroy severely affected plant parts; increase temperature to 80-85°F; use predatory mites or miticide.

Uses

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Not for consumption

Culinary

Gloxinia is purely ornamental and not edible. All parts are potentially toxic if ingested. [source]

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Interior decoration and air purification

Household

Gloxinia Avanti is prized as an indoor houseplant for adding color and tropical elegance to homes, offices, and conservatories. While not a major air purifier, it adds living beauty to indoor spaces. [source]

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Cut flower arrangements

Craft

The stunning, long-lasting flowers can be cut for floral arrangements and vase displays, bringing vibrant color and texture to indoor bouquets. [source]

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Hummingbird and pollinator nectar source

Wildlife

In tropical regions where gloxinias grow outdoors, the trumpet-shaped flowers attract hummingbirds and bees for pollination, supporting local pollinators. [source]

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Traditional ornamental plant in horticulture

Medicinal

While not used medicinally, gloxinias have been cultivated for centuries as prized ornamental specimens in African violet societies and collector communities, representing achievement in specialized houseplant growing. [source]

This is not medical advice. LizPlants is not a medical resource. Always consult a qualified healthcare professional before using plants medicinally.

Harvest Tips

Not applicable for ornamental flowering. To collect seeds: allow flowers to develop large seed pods after pollination. Collect pods when dry and brown; extract thousands of tiny seeds. For propagation: tubers can be divided in spring if multiple growth eyes are present, using a clean knife and allowing cuts to dry before planting.

Fun Facts

🌱 Gloxinia Avanti is a significant breeding achievement—the 'Avanti' series was developed to bloom continuously and more compactly than heirloom gloxinias, which typically bloom once per season and require extended dormancy.
🌱 Despite the common name 'gloxinia,' modern florists' gloxinias are actually Sinningia speciosa, not true Gloxinia genus plants. True Gloxinia is a separate genus, and the name shift occurred due to early taxonomic confusion.
🌱 The velvety texture of gloxinia flowers and leaves is due to fine hair-like structures called trichomes, which can trap water droplets—this is why watering from below is recommended, as water on the leaves can cause spotting and fungal issues.

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