Heirloom Dahlia, Peony Dahlia 'Bishop of Llandaff'

Dahlia

Family
Asteraceae (ass-ter-AY-see-ee)
Genus
Dahlia (DAHL-ya)
Synonym
Spacing
24-36 in. (60-90 cm)
36-48 in. (90-120 cm)
Danger
18-24 in. (45-60 cm)
Foliage
USDA Zone 8a: to -12.2 °C (10 °F)
USDA Zone 8b: to -9.4 °C (15 °F)
USDA Zone 9a: to -6.6 °C (20 °F)
USDA Zone 9b: to -3.8 °C (25 °F)
USDA Zone 10a: to -1.1 °C (30 °F)
USDA Zone 10b: to 1.7 °C (35 °F)
Bloom Color
Sun Exposure
Hardiness
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Time
Bloom Time
Bloom Color
Bloom Color
Bloom Time
Other Details
Other details
Full Sun
Sun to Partial Shade
Propagation Methods
Parts of plant are poisonous if ingested
Seed Collecting
Red
Scarlet (dark red)
Soil pH requirements
Mid Summer
Late Summer/Early Fall
Mid Fall
Patent Information
Herbaceous
Smooth
Flower Size
By dividing rhizomes, tubers, corms or bulbs (including offsets)
Pruning
N/A: plant does not set seed, flowers are sterile, or plants will not come true from seed
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Bulbs
Seed Collecting
Fruit Shape
Fruit Size
6.1 to 6.5 (mildly acidic)
6.6 to 7.5 (neutral)
Fruit Colors
Growing Habit
Days to Maturity
Seed Type
Disease Resistance
Leaf Type
Foliage Color
Bloom Characteristics
Water Requirements
Where to Grow
Other details
Propagation Methods
Soil pH requirements
Patent Information
Plant Size (check one)
Growing Habit
Growth Rate
Leaf Shape
Leaf Appearance
Degree to which the appearance is present
Leaf Texture (top)
Leaf Texture (bottom)
Leaf Color
Color of Leaf Margin
Leaf Substance
Number of Vein Pairs
Appearance of Margin
Margin Width
Flower Shape
Non-patented
Flower Fragrance
Does it set seed?
Flower Size
Flower Type
Blooming Habit
Foliage Habit
Color Patterns
Awards (if applicable)
Seed Type
Growth Habit
Days to Maturity
Awards (if applicable)
Bloom Shape
Other Details
Pruning Instructions
Kernel Color
Flower Shape
Flower Habit
Bloom Size
Color Pattern
Bloom Shape
Pruning Groups
Bloom Diameter
Heat (Pungency)
Peony
Fruit Shape
Miniature - up to 4 inches (100 mm) diameter
Fruit Size
Red, Dark Red
Fruit Color
Do not disbud
Disease Resistance
Seed Type
Flower Size
Size/Type
Flower Characteristics
Leaf Shape/Type
Leaf Texture
Leaf Color
Propagation
Pollination
Bearing Habit
Rootstock Vigor
Disease Resistance
Fruit Usage
Classification
Burgundy/Maroon
Dark/Black
Regional

This plant is said to grow outdoors in the following regions:

Olathe, Kansas

Mandeville, Louisiana

Roslindale, Massachusetts

Keene, New Hampshire

Southold, New York

Columbus, Ohio

Grants Pass, Oregon

Portland, Oregon

Allentown, Pennsylvania

Easton, Pennsylvania

Montgomery, Texas

Seattle, Washington

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Featured Videos

Gardener's Notes:

5
positives
0
neutral
0
negative
Sort By:
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S
Easton, PA (Zone 6a) | October 2017 | positive

The real advantage to this dahlia was its attractiveness to butterflies. I often found 2 monarchs battling over the same blooms. This d...Read More

W
Allentown, PA | April 2015 | positive

I grew this variety for many years, digging and storing tubers in winter in my attached garage (around 50 degrees). Two years ago I lost...Read More

C
ROSLINDALE, MA | February 2014 | positive

A dahlia for those who usually dislike dahlias.

This is the cultivar that helped make dahlias fashionable again. The leave...Read More

S
S
(Zone 8b) | February 2007 | positive

Lovely striking Dahlia with very dark foliage.
Grower: Treseder, Ian & S Treseder & Sons (Great Britain), 1928

L
L
Lenexa, KS (Zone 6a) | July 2004 | positive

Planted tubers in zone 6 garden on June 3rd and first blooms appeared on June 18th! A glorious and striking burgundy (near black) folia...Read More

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