The Hydrangea's list of Hirasawa collections

Hydrangea macrophylla and H. serratophylla which grows wild in Izu Peninsula

Hydrangea macrophylla (gaku ajisai)

:The new photographs of this year(2016).

No. 01

Sepals are dark lilac, also dark red in alkaline soil.
No. 02

White ray-flowers and fertile flowers, sepals serrate.
No. 02m

With dark purple branches.
This plant is a mutant of 'No.02'.
 
No. 03
Izu hydrangea series

Y.Fujimatsu discovery
Double ray-flowers, much like 'Jogasaki'.
No. 04

White ray-flowewrs and fertile flowers, sepals entire.
No. 3

The ray-flowers are small, sepals with white stripes.
No. 4(Jogasaki)
Izu hydrangea series

Double ray-flowers.
No. 5(Iso bue)
Izu hydrangea series

It is a large strong shrub with double ray flowers,sepals dark lilac and acuminate.
No. 11

The number of florets varies from a single ring to almost mophead.
No. 13

The ray-flowers are large with serrate sepals, beautiful multicolor sepals.
No. 14(Izu no hana)
Izu hydrangea series

Takemi Iida discovery
A race cup type with double ray flowers with small florets.
The shrub is not large.
No. 17(Yamato ajisai)
Mophead Type

This is a mophead that Iwas first discovered in Jogasaki -coast. Flower color dark. The mother-plant at the habitat was the height of more than two meters, although it was withered now.
No. 704

The florets consist of three sepals.
No. 708

The florets are large, sepals 6~7.5cm long and entire.
No. 709

Ray-flowers are rounded and deep blue.
No. 710
Mophead Type

The right photograph was taken at the place which grows wild.
No. 710m

With dark purple branches.
This plant is a mutant of 'No.710'.
 
No. 711(Iso mando)
Mophead Type

The corymbs are globular and often long, similar to 'Himeajisai'.
No. 712
Mophead Type

This flowers are similar to No.711.
No. 713
Mophead Type

No. 714
Mophead Type

The center of florets are dark color.
No. 717

Flowerheads are a partly double ring of ray-flowers, selals slightly dentate.
No. 719

The florets consist of four or five sepals, rounded and entire.
No. 722

The sepals are rounded and entire.
No. 801

The sepals are heavily dentate.
No. 802

Sepals are serrate, ray-flower a darker center.
No. 803

The number of ray flowers varies from a single ring to mophead.

The right photograph was taken at the place which grows wild.
No. 805
Mophead Type

Flowers are usually purple, pink on alkaline soils.
No. 806

Small and many florets.
 
No. 809

The flowerheads have many florets.
No. 810

The color with the feeling of the transparency
 
No. 903

This flower blooms to two colors.
No. 920

Stripe Type The sepals are entire
 
No. 921

Small florets, ray-flowera darker center
 
No. 922

The flowerheads have many florets. The flowers are opened from an outside ring.
No. 923

The flo
 
No. 924

Large florets
 
No. 927

Ray-flowers darker center.
 
No. 101

Ray-flowers darker center. The sepals are round and dentate.
 
No. 102

Large florets. Ray-flowers darker center.
No. 103
Mophead Type

The left photograph was taken at the place which grows wild.
No. 104

The flowerheads have many florets, sometime 20 or more, and flattened. The flowers are opened from an outside ring.
No.1101
Mophead Type

No. 1102
Mophead Type

No. 7f02

Sepals are round and serrate.
No. 7f04

Sepals are irregular shaped, with white stripes.
No. 7f06

Sepals are irregular shaped, with white stripes.
No. 7f08

The sepals are slightly thin and entire.
No.7f09 (Iso shibuki)

The ray-flowera are large, and with white stripes.
No.7f11

Stripe Type.
No. 7f13

The ray-flowers are serrate sepals, beautiful multicolor petals.
No. 7f14

The individual florets are from single to half-double.

The right photograph was taken at the place which grows wild.
No.9f05

The flowerheads have many florets.
No. 9f06

The ray-flowers have narrow sepals with white stpipes.
No. 9f07

Stripe Type. Ray-flowers are blue with white strips.
 
No. 9f08

The flowerheads are large,.

The right photograph was taken at the place which grows wild.
No. 9f09

Stripe Type
 
No.9f10

The eyes are darker blue, small ray-flowers 4cm.
No.9f11

Flowerheads are purple, also dark red in alkaline soil, ray-flowers darker center.

The right photograph was taken at the place which grows wild.
No. 9f12

Stripe Type
 
No. 9f13

 
No.9f14

The ray-flowers form s single ring and purple, with a darker center.
No.9f15

The individual florets are from single to half-double. Half-double increases in number the second half of flowering period
No. 9f16

Flowerhead with ray-flowers in a ring, additional flowers between the fertile flowers. The sepals are blue with white stripes.
The right photograph was taken at the place which grows wild.
No.9f19

The ray-flowers are arranged in one ring, the sepals dentate. This plant comes out three leaves from one point.
No. 9f28

The ray-flowers are arranged in a single ring or a double ring, sepals light blue with white stripes.
No. 9f29

The ray-flowers form s single ring and light purple, with a darker center.
No. 10f1

Stripe Type
No.10f2

Stripe Type
 
No. 11f11

Sepals are round.
No. 11f12

The ray flowers are light pink with white stripes in alkaline soils.
No. 16f4

The flowerheads have many florets.
 
No. 16n8

?
 
No. 16n9

The flowerheads have 30-40 florets.
 

The seedling of Hydrangea macrophylla

No. s1

Flower color is dark purple, much like No.01.

Hydrangea serratophylla on East-izu

No. 0i1

The ray-flowers are blue, sepals serrate, and semidouble increases in number the second half of flowering period
No. 0i2

The flowers change color twice. They start white and turn light blue with white stripes, eventually dark blue.
No. 0i3

White ray-flowers and fertile flowers. The ray flowers are sometime greenish.
No. 0y1

The ray-flowers fall downward.
No. 0y2

The flowers are pure white, turning to white with red dots.
No. 0y4

The ray-flowers are light blue.
No. 0y5

The ray-flowers are light blue, sepals dentate.
No. 9m02

The florets are double, light blue.
No. 9m03

The flowerheads have many florets, and fertile flowers have very small petals.
No. 10e1

Florets have narrow sepals, 3~4cm across.
No. 10e2

The individual florets are from single to double, with white sepals. The florets are 8~12cm across.
No. 10e3

Many blue ray-flowers.

The left photograph was taken at the place which grows wild.
No. 10e4

The individual florets are from single to double, with light blue sepals.
No. 10e6

Sepals are round, fertile flowers very dark purple
 
No. 10e7

The flowerheads have many florets, sometime 30 or more. Florets are light blue and 3.5~4cm across. The fertile flowers are blue.
No. 11e03

Many florets. The florets bloom from the outside of the flower.
No. 11e04

With many white ray-flowers, sometime 15 or more. The flowerheads are 15~23cm across.
 
No. 11e06

Many florets
 
No. 11e07

The flowerheads have many florets, a partly double ring. The florets bloom from the outside of the flower.
No. 11i09

Sepals are round, with white stripes.

The left photograph was taken at the place which grows wild.
No. 11ik13

A small compact plant. Ray-flowers are 2~3cm across, pure white with pink dots

Hydrangea macrophylla on East-izu

No. 10e5

The florets are unstable double.

Hydrangea serratophylla on South-izu

No. 0m1

Several places of sepals are close together.
No. 0m3

The sepals are first light blue, turning red under the influence of the sun.
No. 8m03

Flowers are blue to purplish red, fertiles dark purple.
No. 8m05

The branches are dark purple. The frolets turned up at sepals.
No. 8m06

Ray-flowers are light blue and round, fertile flowers very dark purple
No. 8m07

The flowerheads have many florets.
No. 8m09

The flowerheads are creamy white when opening, turning to light blue.
No. 8m10

The flowerheads are very light blue, form with the movement, folded into a point
No. 8m12

The florets are large.
This was 9.5 cm in diameter at the place which grows wild.
No. 8m15

stripe
 
No. 8m17

The flowerheads have many florets, sepals acuminate.
No. 8mnakagi

The flowerheads are large, florets up to 8.5cm, sepals acuminate.
No. 9m05

Sepals are round and serrate.
No. 9m07

The ray-flowers are a rare color.
No.9m08

The flowerheads have many florets.
 
No. 9m09

The flowera are very light blue, with lilac fertile flowers, and really large sepals, 9cm long.
No. 10m6

Stripe Type
 
No. 10m7

The number of sepals varies from a single ring to almost mophead.
No. 13m11

Some sepals are close together
 

Hydrangea serrata var. angustata (amagi amacha)

No. 0wi1

West-izu
Leaves are very sweet. Rayflowers and fertileflowers are white.
No. 0nm1

Kawadu-city
Leaves are sweet. Small shrub. The flower color is white, turning pink in a sunny spot.
No. 0nm2

Kawadu-city
Leaves are very sweet. The flower color is white, turning slightly pink in a sunny spot
No. 9c06

The flowerheads are small, sepals narrow, white turning slightly pink.

Other hydrangeas which grow wild in Izu Peninsula

No. 0wi1

Hydrangea paniculata(Nori utsugi)

Hydrangeas serrata of another area

No. 16h39

Hydrangea serrta on Hakone.
The sepals are dentate.

Hydrangeas of another area

No. 0yk1

Hydrangea grosseserrata(Yakusima konterigi)
No. 0yk2

Hydrangea grosseserrata(Yakusima konterigi)


< Information to a breeder and a farmer >

This garden was founded in order to promote protection and use of the hydrangea of Izu. Therefore, it puts free fundamentally to a candidate and yields an ear. Please ask those who wish production and sale of the hydrangea in this garden for me. However, we do not yield one kind to many directions. Your hope cannot be fulfilled. Please consult with us, when you wish kind registration.

<< contact >>
Cultural museum in Jogasaki
1156 Yawatano, Ito-city, Shizuoka 413-0232, JAPAN
E-mail: dream@izu.fm
Fax: (81)557-54-1478
The question : to Tetsu Hirasawa in Music Box Museum of Izu
Tel: (81)557-53-0900
Hirasawa Collection of Wild Hydrangea in Izu peninsula, Japan