Dahlia Dinner Plate
Manhattan Island
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100-120cm -
5-10cm -
Full Sun
100-120cm 
5-10cm 
Full SunDahlia ‘Manhattan Island’ is a dinnerplate dahlia that bursts with urban flair and fiery colour. Its massive blooms feature deep scarlet-red petals brushed with golden yellow at the base, sometimes fading into magenta at the tips. The result is a bold, sunset-like gradient that feels as dynamic as the city it’s named after.
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🌸 Bloom Size: 20–25 cm, fully double and dramatic
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🌿 Height: Grows to 100-120 cm with upright, sturdy stems
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☀️ Sunlight: Thrives in full sun, tolerates light shade in hot climates
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🪴 Best Use: Ideal for cutting gardens, back-of-border impact, or as a vibrant focal point
‘Manhattan Island’ blooms prolifically from summer until frost, and its bold colouring makes it a favourite for bouquets and garden drama.
- The best time to plant Dahlias here in NZ is September or October, but can be planted anytime from mid August through to late December.
- Dahlias love sun ,so choose a nice sunny spot in your garden. Ideally a spot that gets at least 4 hours of full sun a day.
- Dahlias will grow in almost any soil, but prefer well drained loamy soil conditions.
- Prepare the ground a few weeks before planting by digging over the soil thoroughly and adding a little well rotted compost and an application of general fertiliser.
- Before planting the tubers, apply stakes (for larger varieties) staking after planting damages roots and tubers.
- Plant your Dahlia tubers about 5-10cm deep and about 50cm apart with the eye facing upwards. Water well and keep moist being careful not to over-water.
For a full overview of how to plant Dahlias visit our Gardeners Guide.
We’ve answered some of the common questions about buying our bulbs and the payment/delivery process. We want you to buy with confidence, so if your question is not answered in our FAQ please don't hesitate to ask!
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