Loved by Thousands of Aussie Homeowners

25+ Years of Horticulture Expertise

Thrives Guaranteed or We Fix It

• Native to tropical South America, Allamanda Sunne belongs to the dogbane family and produces latex sap when cut.
• Fast-growing vigorous climber that can reach 3-4 metres in height with proper support and ideal growing conditions.
• Trumpet-shaped flowers are 8-10cm across in brilliant golden-yellow, appearing in clusters from spring through autumn.
• Glossy, dark green leaves are arranged in whorls of 3-4, creating dense foliage coverage on trellises and structures.
• Popular with gardeners for its long flowering period and ability to attract butterflies and beneficial insects.

• Water 2-3 times weekly in summer, reducing to weekly in cooler months - check soil moisture before watering.
• Position in full sun location with morning sun and some afternoon protection in hottest climates.
• Plant in well-draining, fertile soil enriched with compost and maintain pH between 6.0-7.0.
• Feed monthly with balanced liquid fertiliser during growing season from September to March.
• Prune lightly after each flowering flush and heavily in late autumn to control size and shape.
• Maintain moderate humidity by mulching around base and grouping with other tropical plants.
• Protect from frost in winter by covering or moving containers to sheltered locations.

• Provide full sun to partial shade with at least 6 hours direct sunlight daily for best flowering performance.
• Water deeply when top 2-3cm of soil feels dry, maintaining consistent moisture without waterlogging during growing season.
• Maintain humidity around 50-60% and protect from strong winds that can damage stems and flowers.
• Keep temperatures above 10°C as frost will damage or kill the plant - bring potted plants indoors in cool climates.
• Prune after flowering in late autumn to maintain shape and encourage bushier growth for next season.

• Aphids can cluster on new growth causing leaf curling - spray with horticultural oil or insecticidal soap weekly until controlled.
• Scale insects appear as small brown bumps on stems and leaves - remove manually and treat with systemic insecticide.
• Overwatering causes yellowing leaves and root rot - ensure excellent drainage and reduce watering frequency.
• Powdery mildew develops in humid conditions with poor air circulation - improve ventilation and apply fungicide spray.
• Caterpillars may chew holes in leaves - inspect regularly and remove by hand or use biological spray.

faq

How often should I water Allamanda Sunne?

Water Allamanda Sunne 2-3 times weekly during summer growing season. Check soil moisture by inserting finger 2-3cm deep - water when dry. Reduce to weekly watering in cooler months and ensure excellent drainage to prevent root rot.

Is Allamanda Sunne safe for pets?

No, Allamanda Sunne is toxic to cats, dogs, and other pets due to its milky sap containing cardiac glycosides. Ingestion can cause vomiting, diarrhea, and more serious heart problems requiring immediate veterinary attention. Shop Pet Safe Plants from Garden View Nursery.

How fast does Allamanda Sunne grow?

Allamanda Sunne grows fast, typically 1-2 metres annually in ideal conditions. Growth rate depends on sunlight, water, temperature, and soil quality - full sun and consistent moisture promote fastest development. In cooler climates or winter months, growth naturally slows down significantly.

Does Allamanda Sunne prefer full sun or shade?

Allamanda Sunne prefers full sun with at least 6 hours of direct sunlight daily for best flowering. In Australia's harsh summer conditions, morning sun with light afternoon shade prevents flower fade. Insufficient light results in fewer blooms and leggy growth patterns.

How big does Allamanda Sunne get?

Allamanda Sunne reaches 3-4 metres tall and 2-3 metres wide when mature. This vigorous climber requires strong support structures like pergolas or fences. Regular pruning after flowering helps control size and encourages bushier, more manageable growth.

Why is my Allamanda Sunne dying?

Overwatering is the most common cause of Allamanda Sunne dying. Other causes include insufficient light, pest infestations, frost damage or poor drainage. Check soil moisture, light levels and inspect for pests regularly. Talk to Our Plant Experts at Garden View Nursery for personalised help.

Can I grow Allamanda Sunne in a pot?

Yes, Allamanda Sunne grows well in large pots with proper care. Use containers at least 50cm wide with drainage holes and quality potting mix. Provide strong support like a trellis and water more frequently than garden plants. Shop Pots & Planters at Garden View Nursery.

How much does Allamanda Sunne cost in Australia?

Allamanda Sunne costs $25-$85 in Australia depending on size and maturity. Garden View Nursery stocks healthy, expertly-grown plants with strong root systems and guaranteed quality. Our plants are carefully selected for Australian conditions ensuring better establishment and growth. Buy Allamanda Sunne Now from Garden View Nursery.

Don't Take Our Word For It

The Proof Is in the Planting... 150+ five-star Google reviews from happy gardeners across NSW, VIC, QLD & beyond.

  •  

    Breathe Cleaner Air

    Did you know indoor air can be five times more polluted than outside? Our air-purifying collection naturally filters harmful toxins, increases oxygen levels and creates a fresher, healthier home environment - for you and your family.
  •  

    Plants That Heal You

    Reduce stress, lower anxiety and create instant calm. Our carefully curated collection features nature's most soothing varieties — scientifically proven to improve mood, purify air, and transform any space into a personal sanctuary.
  •  

    Sleep Better Tonight

    Breathe easier. Rest deeper. Bedroom-proven plants that release oxygen at night, filter airborne toxins and create the perfect sleeping environment - so you wake up restored, refreshed and ready every single morning.
  •  

    Drought Proof Garden

    Water bills rising? Our water-wise outdoor collection features Australia's toughest, most beautiful drought-tolerant plants — built to survive harsh summers, thrive with minimal watering and keep your garden looking stunning all year long.
  • Person holding a potted plant above their head with a white background
     

    Plants That Make You Happy

    Science proves it - living with plants boosts serotonin, lifts your mood and sparks instant joy. Bring colour, life and happiness into every corner of your home

Recently viewed

  • Free Delivery Over $100

    Customers within 10 km radius of our Annangrove Nursery gets FREE delivery on order over $100

  • 30 Day Money Back Guarantee

    Shop with complete confidence - if you're not happy, we'll make it right. No questions asked.

  • FREE In-store Garden Design

    Visit us in Sydney and our expert horticulturists will design your perfect garden - completely FREE.

  • Buy Now. Pay Later.

    Spread the cost of your garden with Afterpay and other flexible payment options at checkout.