Dahlia Decorative
Mr Optimist
Dahlia Mister Optimist
Mister Optimist is hard to miss, producing bright red blooms generously tipped and streaked with golden yellow. The amount of yellow can vary between flowers, giving each bloom a slightly different, flame-like appearance. A cheerful, strongly coloured Decorative Dahlia with sturdy stems that are great for picking.
Height: Approx. 90–100cm
Flower size: Approx. 12–15cm
Type: Decorative
Flowering time: Summer through to autumn
Position: Full sun
Best for: Bold garden colour, cutting gardens and the vase
- 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!



100-110cm
5-10cm
Full Sun