Camellia cultivar Yoimachi

Camellia 'Yoimachi'

Flower name
Camellia cultivar Yoimachi
Scientific name
Camellia 'Yoimachi'
AliasCamellia sasanqua, sasanqua
Place of originhorticultural variety
Place of floweringGarden, Bonsai, Potted flower
Flowering seasonNovember, December

What is Camellia cultivar Yoimachi

Yoimachi: An American-Bred Haru-Sasanqua Group Camellia

The camellia cultivar Yoimachi (Camellia 'Yoimachi', C. sasanqua × C. fraterna) originates from the United States. It is an evergreen broadleaf shrub of the Camellia genus in the Theaceae family and belongs to the Haru-Sasanqua group of Camellia sasanqua.

Variety Name: Camellia Yoimachi (Camellia 'Yoimachi')
Scientific Name: Camellia 'Yoimachi', C. sasanqua × C. fraterna
Chinese Name: 宵待
Origin: This new camellia variety was introduced in the early 1990s by the Ōoka Tsubakibana Garden in Agano City, Niigata Prefecture, Japan. However, the detailed history of its origin remains unclear.
Breeding Year: 1982
Breeding Country: United States (Chapel Hill, North Carolina)
Breeder: Dr. Clifford Parks
Production Area: Niigata Prefecture (Agano City), Japan
Classification: Angiosperms, Eudicots, Ericales, Theaceae, Camellia, Haru-Sasanqua group
Life Form: Evergreen broadleaf shrub
Tree Height: ~ m
Spread: ~
Growth Habit: Upright but slightly weak, with well-extending branches
Leaf Stalk Length: 0.4 cm
Leaf Color: Dark green
Leaf Shape: Elliptic
Leaf Length: ~4 cm
Leaf Width: ~2 cm

Strongly folded along the midrib with minimal recurvature
Leaf Margin: Fine serrations
Leaf Color: Grayish-green on the surface, light green on the underside
Foliage Density: Dense
Flower Characteristics:

Color: White base with a thin red-pink margin on the outer petals; inner petals have less red, appearing predominantly white
Blooming Period: Mid-November to December
Flower Form: Single
Flower Size: Medium (Diameter: 7–8 cm)
Petal Shape: Obovate with a slightly concave tip, slightly wrinkled margins, and thick texture
Stamen Count: 66–69
Stamen Length: ~2 cm
Stamen Structure: Fused at the base, forming a tubular shape
Anther Color: Yellow
Filament Color: Pale yellow
Pistil & Stigma Color: Greenish-white
Pistil Length: ~2 cm, with a four-lobed stigma
Ovary Color: Light green
Uses: Suitable for small gardens, potted plants, bonsai, and hedges.