Dahlia Decorative
Colorado Classic
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100-110cm -
5-10cm -
Full Sun
100-110cm 
5-10cm 
Full SunDahlia ‘Colorado Classic’ is a decorative dahlia that blends elegance with a splash of playful colour. Its blooms feature creamy white petals brushed with vivid pink or lilac-pink edges, creating a soft, watercolour-like effect that’s both romantic and eye-catching. The petals are slightly wavy and swept back, giving the flowers a dynamic, airy feel.
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🌸 Bloom Size: 10–15 cm, fully double with informal decorative form
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🌿 Height: Grows to about 100–110 cm, with long, sturdy stems
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☀️ Sunlight: Thrives in full sun and well-drained soil
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🪴 Best Use: Ideal for cutting gardens, borders, or as a pastel focal point
‘Colorado Classic’ is known for being a prolific bloomer and tuber producer, making it a favorite among growers. It flowers from mid to late summer through autumn, and its soft colouring pairs beautifully with deeper pinks, purples, or even bold reds for contrast.
- 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!
