Dahlia 'Yellow Happiness'
Orders placed before 1 March 2025
You can expect your order in February/March 2025
Orders placed 1 March - 15 April 2025
You can expect your order in March/April 2025
Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
UK orders over £50
Free shipping
UK orders under £50
£4.99
Northern Ireland orders under £50
£5.99
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Description
The ultra-cheerful semi-cactus Dahlia 'Yellow Happiness' is not quite as spiky as some of her kinsfolk in the dahlia family. Her long petals do not turn back on themselves as tightly, making less tubular spikes than those of cactus dahlias. Perhaps that’s what makes her as cheerful as she appears. Add to that the bright sunshine yellow she displays in multiple flower bursts on her compact bushy plant, and there’s a lot of cheer going on.
Dahlia 'Yellow Happiness' is shade tolerant but likes full sun, so it’s best where possible to let her try and outshine the late summer sun where possible. She’ll surely outshine autumn’s less bright sunlight.
Key features
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Perfect for pots
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Comes back every year
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Thrives well in full sun
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Packed in paper bags
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Low maintenance
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May need winter cover
Specs & details
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Botanical name
Dahlia 'Yellow Happiness'
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Flower colour
Yellow
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Tuber size
1
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Established height
30-50cm
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Established spread
20-30cm
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Plant spacing
9 tubers per m2
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Leaf colour
Green
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Habit
Upright
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Life cycle
Perennial
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Hardiness
Half hardy
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Years to establish
1st year
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Sunlight
Full sun
Partial shade -
Position
Sheltered
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Suitable for
Pots
Large containers
Borders
Gravel gardens
Coastal gardens
Cottage gardens
Low maintenance gardens -
Soil acidity
Any
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Soil moisture
Free draining
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Soil type
Loam
Sandy
Multipurpose compost
Loam-based compost -
Growing skill
Easy to grow
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Scented
No
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Pollinator-friendly
No
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Mouse resistant
No
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Rabbit resistant
No
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Deer resistant
No
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Toxicity
No report
Plant calendar
| Jan | Feb | Mar | Apr | May | June | July | Aug | Sep | Oct | Nov | Dec |
|---|---|---|---|---|---|---|---|---|---|---|---|
- Planting
- Flowering
Useful information
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Dahlia 'Yellow Happiness' is half hardy, which means that it should be kept frost free over winter and during spring.
For best results, start your dahlia tubers in temporary pots in a
greenhouse in March or April to grow on to transplant outside later in the season—this will give them a head start.Alternatively, you can plant the Dahlia 'Yellow Happiness' tubers directly outside in May.
Plant with the stump of last year's stem facing upwards. The tuber should be fully submerged but with the stump just below the soil surface.
Plant one tuber per 8-10" pot if growing on during spring. When
planting outside, space the tubers around 30-50cm apart from each other. Compact varieties don’t need so much space.Water-in thoroughly after planting and continue to water regularly once in full growth, but only when the soil appears to be nearly dry.
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Orders placed before 1 March 2025
You can expect your order in Feb/March 2025Orders placed 1 March - 15 April 2025
You can expect your order in April 2025Orders placed 16 April - 15 May 2025
You can expect your order within 10 business days
Perfect companions
Dahlias in 60 seconds
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