Satsuki

  • Satsuki_img_0
    Satsuki @ Koishikawa Botanical Garden
  • Satsuki_img_1
    Satsuki @ Kiyosumi Shirakawa
  • Satsuki_img_2
    Satsuki @ Koishikawa Botanical Garden

Basic information

Flower Name
Satsuki
Formal Name
Rhododendron indicum
Alias
Satsuki azalea, Satsuki
Habitat
Japan
Morph
A hardy Evergreen shrub

Comment

What is Satsuki

Satsuki (Scientific name: Rhododendron indicum) is an endemic species of Japan and is a cold-tolerant evergreen shrub of the Ericaceae family. Azalea (scientific name: Rhododendron ferrugineum)
same family and same genus.
The difference between Satsuki and Azalea is determined by the time when new shoots grow out, the flowering time, the size of flowers, and the gloss of leaves. Generally, the beginning of the bloom of Satsuki blooms somewhat later than the azalea, and blooms around May of the lunar year, and is therefore called Satsuki. Satsuki has many twigs, and flowers and leaves are smaller than azaleas. There are some flowers that bloom from the same branch, and they are used for bonsai and hedgerows because they are resistant to cutting.

■ Difference between Satsuki and Azalea
Tree height - Satsuki: ~ 1 m, azaleas: 5 to 10 m
Leaf size - Satsuki: Small, Azalea: Large
Leaf length - 2 to 3 cm, Azalea: 5 to 7 cm
Leaf width - Satsuki: 0.5 cm, Azalea: 1.5 cm
Leaf gloss - Satsuki : Yes, Azaleas: None
Leave hardness - Satsuki : Hard, Azalea: Soft
Time of new sprout - Satsuki: New shoots and flowers live together (New shoots and buds appear in May and bloom), Azalea: New shoots and flowers do not live together (after April flowering, new shoots appear in May)
Flower diameter - Satsuki: 3.5 to 5 cm, Azalea: 5 to 7 cm
Flowering period - Satsuki: Late (late May to early June) , Azalea: Early (mid April-mid May)
How to flower - Satsuki: bloom in order, Azaleas: bloom all at once
Branch change - Satsuki: Satsuki: 1 tree with some flower colors, Azaleas: 1 color
Usage-Satsuki - Satsuki: planting of bonsai, hedge, street, Azalea: garden planting

Common name: Satsuki, Scientific name: Rhododendron indicum, aka: Satsuki azalea, Place of Origin: Japan, Tree height: 30 to 100 cm, Leaf shape: Oblate needle shape, Bisexual flower, Weak bilateral flower, Joint crown, Corolla shape: Funnel shape 4-5 splits, Flower diameter: 3.5 to 5 cm, flowering time : May to June, flower color: red, white, peach, double color, flower form: single, double, double, double iris, double color blooming.

Detailed information

Order
Ericales
Family
Ericaceae
Genus
Rhododendron
Species
R. indicum
Flower language
Saving (May 19)
Flower type
Zygomorphic Flower
Flower array
Racemous Inflorescence
Petal shape
Infundibular
Leaf type
Oblanceolate
Leaf edge
Serrated
Flowering place
GardenBotanic gardenGraveyard、TempleparkBonsaistreet, planting
Color
Red, Pink, White
Season
MayJun
Height
30 ~ 100 [cm]
Diameter
3.5 ~ 5

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