Dahlia 'HS Princess'
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
Single open-flowered dahlias continue to grow in popularity, and newcomer Dahlia 'HS Princess' is in the elite of this class, winner of a coveted Award of Garden Merit (AGM) from the Royal Horticultural Society (RHS). Such royal credentials don’t come easily, but this lovely dahlia has earnt it with a combination of gorgeous foliage, elegant flowers and simply being a great-performing garden plant. Luxurious dark, almost-black leaves, stems and buds create a stunning contrast with the refreshing daisy-like flowers, in ivory-white brushed with lavender-mauve, and a prominent golden yellow disc in the centre. Dahlia 'HS Princess' has elegance, glamour and charisma, and it’s easy to see why she has won the hearts of the RHS judges.
Dahlia 'Happy Single Princess' is not just a great looker, but is also an adaptable and reliable garden plant. A compact size of around 80cm in height makes this a perfect dahlia for pots, and it’s also easily slotted into garden beds and borders to create a bit of a wow-factor. Think of those dark obsidian leaves creating fabulous contrasts with other plants through the summer and autumn, particularly when planted in large groups of 3, 5 or 7. What’s more, Dahlia 'HS Princess' is superb for wildlife-friendly gardens, its open flowers easily accessible and popular with bees, butterflies and other pollinating insects, providing them with late-season pollen and nectar. It’s difficult to think of a dahlia that ticks more boxes than this one.
Key features
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Good for cutting
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Comes back every year
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Attractive to wildlife
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Loved by pollinators
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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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RHS Award (AGM)
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May need winter cover
Specs & details
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Botanical name
Dahlia 'Happy Single Princess' ('HS Princess'ᴾᴮᴿ) (Happy Single Series)
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Flower colour
White, pink
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Tuber size
1
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Established height
70cm-1m
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Established spread
30-50cm
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Plant spacing
5 tubers per m2
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Leaf colour
Bronze
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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
Large containers
Borders
Gravel gardens
Coastal gardens
Cottage gardens
Low maintenance gardens
Cut flower Gardens
Wildlife 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
Yes
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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 'HS Princess' 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 'HS Princess' 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
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