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Plant guide

African violet.

Saintpaulia ionantha

Pronounced strep-toe-KAR-pus eye-oh-NAN-thus

Also known as Saintpaulia ionantha, African-violet, Usambara-violet

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African Violet
Photo by Carrie Seltzer (CC BY) via iNaturalist

African violets are charming, compact houseplants famous for their fuzzy leaves and constant blooms. They thrive in consistent, warm indoor environments with bright, filtered light. These plants add a lovely splash of color to any windowsill.

At a glance

Care level
Moderate
Plant type
Herbaceous perennial
Light
Bright indirect light is best.
Indoor light
Bright indirect
Water
Every 5 to 10 days
Mature size
15 to 20 cm tall
Growth rate
Slow
Hardiness
USDA 10 to 12
Bloom time
Spring to autumn

Care

Keep the soil consistently moist but never soggy, and always water from the bottom to avoid spotting the leaves. Watch for yellowing leaves or crown rot, which often signal overwatering. Provide high humidity and avoid cold drafts to keep your plant happy.

Watering
Water when the top centimeter of soil feels dry to the touch.
Feeding
Use a balanced liquid fertilizer diluted to half strength during the growing season.
Pruning
Remove spent flowers and yellowing leaves to encourage new growth.
Repotting
Repot when the plant becomes root bound in its current container.
Soil
Well draining peat based mix
Soil pH
6.0 to 6.5
Temperature
15 to 24°C
Humidity
50 to 80%
Drought tolerance
Low
Lifespan
Perennial, typically 3 to 5 years with proper care.
Deer and rabbits
Moderate

Signs it needs repotting

  • Roots growing out of the drainage holes.
  • Water running straight through the soil without soaking in.
  • Stunted growth despite regular care.

Safety

People
The plant is generally considered non toxic to humans, though ingestion is not recommended.
Pets
This plant is non-toxic to cats and dogs.
Children
Keep out of reach of small children to prevent accidental ingestion of soil or plant parts.
Contact allergens
The fuzzy leaves can trap dust or irritants that might bother sensitive skin.
Airborne allergens
There are no significant reports of respiratory allergies associated with this plant.
Edibility
This plant is not intended for consumption and may cause digestive upset if ingested.

How to identify it

  • Fuzzy, dark green succulent leaves
  • Compact, low growing rosette habit
  • Five petaled flowers in clusters
  • Yellow centers on most blooms
Height
0.1 to 0.2m
Spread
0.15 to 0.3m
Leaves
dark green, evergreen
Flowers
purple, violet, blue, 2 to 4cm

Problems to watch for

    Check your african violet from a photo

    Pocket Botanist looks at a photo of your plant and tells you what's wrong and what to try first.

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    Growing it

    Propagation
    leaf cuttings, division, seed
    When to plant
    spring, summer
    Overwintering
    Keep the plant in a warm, draft-free location and reduce watering slightly as growth slows in winter.
    In containers
    It is excellent for pots, provided the container has good drainage and is not overly large.

    Leaf Cuttings

    1. 1. Cut a healthy leaf from the main plant.
    2. 2. Insert the cut end into a moist, well-draining potting mix.
    3. 3. Cover with a clear plastic bag to maintain humidity.
    4. 4. Keep in bright, indirect light until new plantlets emerge.

    Group plants with similar moisture needs together to create a localized humid microclimate.

    Grows well with

    • African Violet · They share similar light and humidity requirements.
    • Ferns · Ferns provide the high humidity that this plant enjoys.

    Similar species

    • Cape Primrose · It is a close relative with similar growth habits.

    Science

    Family
    Gesneriaceae
    Genus
    Streptocarpus
    Order
    Lamiales
    Class
    Magnoliopsida
    Native range
    Eastern Africa, specifically Tanzania and Kenya.
    Conservation
    It is not currently listed as endangered, but wild populations are sensitive to habitat loss.

    It grows naturally on shaded rocky cliffs and in moist forest understories.

    Value to wildlife
    nectar source
    Pollinators
    bees
    Uses
    indoor ornamental, container plant, windowsill display

    Through the year

    JFMAMJJASOND
    Flowering
    Fruiting
    Foliage

    Ecological indicators

    Salinity
    2/9
    Soil reaction
    6/9
    Temperature
    7/9
    Light
    4/9
    Moisture
    6/9
    Nutrients
    5/9

    Taxonomy resolved against GBIF.

    Questions people ask

    How often should I water it?
    Water when the top centimeter of soil feels dry to the touch.
    Does it need direct sun?
    No, it prefers bright, indirect light to avoid scorching the leaves.

    Where the name comes from

    The genus name comes from the Greek words for twisted fruit, while ionanthus refers to the violet-like flowers.

    Good to know

    • It belongs to the Gesneriad family, which also includes gloxinias and Cape primroses.
    • The flowers are often held on stalks that rise above the foliage.
    • It prefers to be watered from the bottom to keep the leaves dry.

    Keep your african violet growing

    This page is a general guide. Save your plant in Pocket Botanist and you get care reminders timed for this plant, plus a care history that shows what worked.

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    This guide was generated with AI on and checked against GBIF taxonomy. It is general information, not horticultural or veterinary advice. Read about how we build these guides.