Morning Glory 'Heavenly Blue' (Ipomoea tricolor) - One of the most popular, award-winning morning glory variety that grows as an annual lovely vine, with large, heart-shaped leaves and vibrant, azure-blue trumpet-shaped flowers. Opening in the morning to show their yellow-white throats, the 8-13cm blossoms close in the afternoon. It produces new flowers daily and blooms continuously for several months. Prized for its quick growing climbing habits, it’s perfect to hide unwanted fence, climb the wall or scramble through arbors and trellises. Attracts butterflies and hummingbirds. It requires a support on which to climb on. Great in containers, hanging baskets or as ground covers too. Virtually pest and disease free.
Caution: Seeds & plant is poisonous and should not be eaten.
Growing: Nick hard seed coat with a nail file or soak 24 h in 30°C water (germination 75–90%). Sow anytime in tropics – rainy season for fastest growth. Bury 1 cm deep in pots or directly at support base.
Germination: 5–10 days.
Spacing: 20–30 cm apart; thin to strongest vines.
Timing: Blooms 6–8 weeks after sowing; plant monthly for continuous color waves.
Light: Full sun (6–8 h); tolerates light shade in 35°C+ heat.
Soil: Rich, well-draining loam, pH 6.0–7.5. Amend clay with 30% compost + sand. Raised beds or pots (15 L+) with drainage holes are perfect.
Support: Trellis, netting, or wires 2.5–4 m tall – vines climb 30–50 cm/week.
Watering: Keep soil consistently moist during establishment; reduce once rooted. Water 2–3 cm/week in dry periods.
Fertilizing: Apply balanced liquid fertilizer (10-10-10) monthly at half strength.
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