Dahlia Collarette
Alstergruss
-
30-50cm -
5-10cm -
Full Sun
30-50cm 
5-10cm 
Full SunDahlia ‘Alstergruss’ is a dwarf collarette dahlia that brings a burst of cheerful colour to any garden.
Its blooms are a vivid orange with a golden-yellow collar and a central golden disc, creating a striking contrast that draws the eye. Each flower measures about 10 cm across and appears in abundance from summer through to the first frost.
This variety grows to a compact height of around 35–45 cm, making it ideal for borders, containers, or the front of flower beds
Collarette dahlias have single petals, and bear a collar of smaller petals around their heart. Hence the name, collarette (small collar)
- 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.
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