Thunbergia Alata
Thunbergia alata
vineBlack-eyed Susan vine is a tender climbing or trailing plant with cheerful round flowers in yellow, orange, or white with a distinctive dark centre, blooming from summer to first frost. Fast-growing and easy to cultivate, it performs well in containers, hanging baskets, and on trellises. This plant is an annual or tender perennial, dying back in frost but often self-seeding.
Common Problems
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Care Guide
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Light
Full sun to partial shade; needs 6+ hours of sunlight daily for best flowering. Tolerates partial shade but flowers may be sparser.
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Water
Keep soil consistently moist but well-draining during the growing season. Allow soil to dry slightly between waterings. Reduce watering in autumn.
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Soil
Well-draining, fertile soil enriched with organic matter. A mix of peat, perlite, and loam works well. Avoid heavy clay soils.
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Fertiliser
Feed with balanced 10-10-10 or bloom-boosting fertilizer every 2–3 weeks during growing season. Avoid excessive nitrogen, which promotes leaves over flowers.
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Temperature
Tender annual or perennial; frost-sensitive (dies at 50°F/10°C). Thrives in warm conditions. Best as an annual in most temperate climates.
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Humidity
Prefers moderate to high humidity. Mist foliage regularly in hot, dry conditions. Improve air circulation to prevent mildew.
Toxicity
check_circleSafe for Catscheck_circleSafe for Dogscheck_circleSafe for Children
Non-toxic to cats, dogs, and children.
Common Diseases
Common Pests
Seasonal Care
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Resume regular watering and feeding as growth picks up.
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Peak growing season. Water and feed regularly.
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Reduce watering as growth slows. Stop heavy feeding.
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Minimal watering and feeding. Protect from frost if needed.