Dahlia 'Penhill Dark Monarch'
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
Amaze yourself and all your neighbours with the enormous, spectacular flowers of Dahlia 'Penhill Dark Monarch' – you simply won’t be able to believe your eyes when these impressive blooms open! This trendy dinnerplate dahlia is without doubt extremely dishy, with layers upon layers of fantastic two-tone pink and apricot blooms. Not only will they shine like beacons in the garden, but you certainly won’t be without top-notch cutting material. Just one of these big blooms will pack a real punch whether it’s on its own in a vase or forming part of a mixed bouquet.
Dahlia 'Penhill Dark Monarch's Unbelievably big blooms growing on tall, bushy plants, these larger-than-life dahlias are a real centrepiece. Perfectly positioned in a sunny border, you can enjoy a long-lasting reward of blooms which are produced continuously throughout the summer months and well into autumn. Cut the flowers when they’re at their peak and more will grow in their place!
Dahlia flowers are often used to make dyes. They can produce pink, orange, yellow or green tones, perfect for use in fabrics and textiles.
Key features
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Good for cutting
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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 'Penhill Dark Monarch'
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Flower colour
Pink, coral
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Tuber size
1
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Established height
1.2-1.5m
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Established spread
50-70cm
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Plant spacing
5 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
Large containers
Borders
Gravel gardens
Coastal gardens
Cottage gardens
Low maintenance gardens
Cut flower 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 'Penhill Dark Monarch' 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 'Penhill Dark Monarch' 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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