Flower Calendar - The Imperial Household Agency

Flower Calendar

Flower Calendar

Flower name Explanation Place of bloom Estimated time of bloom
1 2 3 4 5 6 7 8 9 10 11 12
Camellia Camellia (Shirowabisuke), (Theaceae) It is a hybrid of camellia and Chanoki (Camellia sinensis), and is a garden species. It has trumpet-shaped flowers between November and early March. West of Archives and Mausolea Department Building, East of Ninomaru pond bloom bloom
Tachikantsubaki Tachikantsubaki (Camellia sasanqua x Camellia hiemalis), (Theaceae) It is usually categorized as a garden species of Sazanka (Camellia sasanqua), but some people have other opinion about it. Its branches grow vertically up to 3m approximately. West of Archives and Mausolea Department Building, Shiomi-zaka hill bloom bloom
Shimobashira Shimobashira (Keiskea japonica), (Lamiaceae) This perennial grows under the leafy shade of trees in the mountains. In the freezing early mornings during winter, you can see frost columns (shimobashira). That's why these are named shimobashira in Japanese. Ninomaru Grove bloom bloom
Senryo Senryo (Chloranthus glaber), (Chloranthaceae) It grows naturally in groves of warm places, and grows up to 50 to 80 cm. East of Ote Rest House, Yaso-no-Shima bloom bloom bloom
Shinamansaku Shinamansaku (Hamamelis mollis), (Hamamelidaceae) It is an endemic species of Japan and that grows naturally in coastal area occasionally, and grows up to 2 to 4m. It has white flowers at the tip of branches around June. Yaso-no-Shima bloom bloom bloom
Yabutsubaki Yabutsubaki (Camellia japonica), (Theaceae) It grows in neashore area, or mountains, and grows as big as 10 to 15m. West of Archives and Mausolea Department Building, South of Hirakawa-mon Ticket House, East of the the Suwanochaya bloom bloom bloom
Soshinrobai Soshinrobai (Chimonanthus praecox f. concolor), (Calycanthaceae) It’s native to China. It has a little bigger flowers than Robai (Chimonanthus praecox), and its inner tepals are in yellow. West of Ninomaru Rest House, East of Ote Rest House bloom bloom bloom
Kanzakura Kanzakura (Prunus x kanzakura), (Rosaceae) It is said to be a hybrid of Kanhizakura (Cerasus campanulata). Keyaki-no-Shibahu bloom bloom
Prunus mume Prunus mume (Koutouji), (Rosaceae) It’s native to China. It’s often cultivated in gardens or fields. There exist many garden species of Prunus mume. Bairin-zaka area bloom bloom bloom
Prunus mume Prunus mume (Yaeyabai), (Rosaceae) It’s native to China. It’s often cultivated in gardens or fields. There exist many garden species of Prunus mume. Bairin-zaka area bloom bloom
Kanhizakura Kanhizakura (Cerasus campanulata), (Rosaceae) It’s alternatively called "Hikanzakura". It grows up to 5 to 7m. Its thick leaves are in the shape of long ellipse or egg. Matsu-no-shibahu, Keyaki-no-Shima bloom bloom
Manryo Manryo (Ardisia crenata), (Myrsinaceae) It grows naturally in groves of warm places, and is often grown for ornamental purposes. Fujimiyagura area, South of Ote Rest House bloom bloom bloom bloom bloom
Fukujusou Fukujusou (Adonis ramosa), (Ranunculaceae) This perennial can often be found in East Japan. While it's often cultivated, as its flower season is around a turn of the year, the flower is often used for decoration of the new year. South of Fujimitamon bloom bloom
Kobushi Kobushi (Magnolia kobus), (Magnoliaceae) It grows in mountains and grows up to 5 to 18m. It has white flowers with the diameter of 6 to 10cm that smell good. Around Ishimuro, Ninomaru Grove bloom
Shunran Shunran (Cymbidium goeringii), (Orchidaceae) This perennial usually grows in deciduous forests. Its line-shaped leaves have saw teeth at the edge, and feel gritty. West of Ishimuro, North of Ninomaru pond bloom
Kurumetsutsuji Kurumetsutsuji (Rhododendron obtusum Planch), (Ericaceae) It’s alternatively called "Kirishima". While it has been planted since ancient times, a species that is very close to Kurumetsutsuji grown naturally in Mt. Kirishima. East of the Suwanochaya bloom
Yamatsutsuji Yamatsutsuji (Rhododendrom obtusum), (Ericaceae) It grows mountains and hills, and grows up to 1 to 4m. It has 2 to 3 flowers at the tip of the branches around April to June. The flowers are in vermilion, red, or red-purple. Ninomaru Grove bloom bloom
Shiroyamabuki Shiroyamabuki (Rhodotypos scandens), (Rosaceae) While it grows naturally in mountains occasionally, it often times is planted in gardens or parks. East of Rose garden, Around Ninomaru pond bloom bloom
Ginran Ginran (Cephalanthera erecta), (Orchidaceae) This perennial grows under the leafy shade of trees in the hills or mountains. It grows up to 10 to 30cm. Ninomaru Grove bloom bloom
Kinran Kinran (Cephalanthera felcata), (Orchidaceae) This perennial grows in the groves in the hills or mountains. It has about 10 yellow flowers at the tip of the stem. Ninomaru Grove bloom bloom
Kimokkoubara Kimokkoubara (Rosa banksiae lutea), (Rosaceae) While it’s native to China, it’s often planted in gardens from Edo period. Rose garden bloom
Nasuhiougiayame Nasuhiougiayame (Iris setosa var. nasuensis), (Iridaceae) It’s a variant species of Hiougiayame (Iris setosa). It’s a perennial that grows in high moors or in wet grass fields. It has purple flowers. Around Ninomaru pond bloom
Ayame Ayame (Iris sanguinea), (Iridaceae) This perennial grows in hills or mountains. While it has green scapes, the stem near the root is in reddish violet. It grows vertically up to 30 to 60cm. Ninomaru Grove bloom
Hamanasu Hamanasu (Rosa rugosa), (Rosaceae) It often grows gregariously in sandy soil near the seashore. It's about 1 to 1.5m high, and its branches are covered by minute thorns. Rose garden bloom bloom
Hamanasu fruit Hamanasu (Rosa rugosa) fruit, (Rosaceae) It often grows gregariously in sandy soil near the seashore. It's about 1 to 1.5m high, and its branches are covered by minute thorns. Rose garden bloom bloom
Hanashoubu Hanashoubu (Iris ensata), (Iridaceae) It’s a garden species of Nohanashoubu (Iris ensata var. spontanea). The perennial grows gregariously in wet places near water, and grows up to 60 to 80cm. Ninomaru Shobu field bloom
Hotaru-bukuro Hotaru-bukuro (Cam;anula punctata), (Campanulaceae) This perennial can usually be seen in hills and mountains here and there. It has pink or white flowers. Around Ishimuro, Ninomaru Grove bloom bloom
Hitsujigusa Hitsujigusa (Nymphaea tetragona), (Nymphaeaceae) The waterweed is a perennial that grows near ponds or swamps. it bears a white and neat flower. Ninomaru pond bloom bloom bloom bloom
Ajisai Ajisai (Hydrangea macrophylla), (Saxifragaceae) The hermaphrodite flowers of Gakuajisai (Lacecap hydrangea) have changed into decorative flowers. It's been loved and planted since early days. East of Ote Rest House, North of Tenshukakuato (Foundation of the Main Donjon) bloom bloom bloom
タイサンボク Taisanboku (Magnolia grandiflora), (Magnoliaceae) It is native to South-Central area of North America, and was brought over to Japan in 1873. It’s 10 to 20cm high. Its leaves are in the shape of long ellipse, and feel like leather. East of Ote Rest House, North of Tenshukakuato (Foundation of the Main Donjon) bloom
Obakiboushi Obakiboushi (Hosta montana), (Liliaceae) This perennial grows in grass fields in the mountains or hills. Ninomaru Grove bloom
Sunflower Sunflower (Haruka no Himawari) This annual plant is native to North America. It’s named after an elementary school student who died in the Great Hanshin Awaji earthquake. East of Honmaru Rest House bloom bloom
Asaza Asaza (Nymphoides peltata), (Gentianaceae) This perennial is a waterweed that grows all over Japan except Hokkaido. Its rhizomes grow horizontally in the mud at the bottom of the water horizontally. Ninomaru pond bloom bloom bloom
Mizukinbai Mizukinbai (Ludwigia stipulacea), (Onagraceae) The perennial grows in the water of ponds or swamps. Its Japanese name "Mizukinbai" is named as is because it grows in water (mizu), and because its flowers resemble those of "Kinbaiso" (Trollius hondoensis). Ninomaru Grove bloom
Susuki Susuki (Miscanthus sinensis), (Poaceae) It’s alternatively called "Kaya". This big perennial can often be seen in sunny places in plains or mountains. Ninomaru Hakucho-bori area bloom bloom bloom
Higanbana Higanbana (Lycoris radiata), (Amaryllidaceae) It’s alternatively called "Manjushage". This perennial grows gregariously in and around human settlements. Bairin-zaka area, Hakucho-bori area bloom
Kinmokusei Kinmokusei (Osmanthus fragrans var. aurantiacus), (Oleaceae) It’s native to China, and is a variant species of Ginmokusei (Osmanthus fragrans Lour. var. fragrans). It’s often planted gardens all over Japan. South of Tenshukakuato (Foundation of the Main Donjon), North of Honmaru Rest House bloom
Koushinbara Koushinbara (Rosa chinensis Jacquin), (Rosaceae) It’s an original species of early modern roses and modern roses, and has been loved and planted in gardens since early days. Honmaru Rose garden bloom
Hototogisu Hototogisu (Tricyrtis hirta), (Liliaceae) This perennial grows in half-shaded places in mountains or damp cliffs. Yaso-no-Shima bloom
Otokoyouzome Otokoyouzome (Viburnum phlebotrichum), (Caprifoliaceae) It’s alternatively called "Koneso". It grows in sunny places in hills and mountains, and grows up to 2m approximately. Ninomaru Grove bloom bloom
Jugatsuzakura Jugatsuzakura (Prunus x subhirtella cv. Autumnalis), (Rosaceae) It blooms twice a year on early April and on sometime between October and December. Its flowers are mostly in white, but there are species whose flowers are light pink or dark pink. Keyaki-no-Shima bloom bloom bloom bloom
Sazanka Sazanka (Camellia sasanqua), (Theaceae) It’s native to Japan. Having may garden species, and Sazanka often are planted in gardens and parks. --- bloom bloom
Nanten Nanten (Nandina domestica), (Berberidaceae) While it sometimes grows naturally in mountains in warm area, it is often planted in gardens. South of Tenshukakuato (Foundation of the Main Donjon) bloom bloom
Tachikantsubaki Tachikantsubaki (Camellia sasanqua x Camellia hiemalis) (Theaceae) It is usually categorized as a garden species of Sazanka (Camellia sasanqua), but some people have other opinion about it. West of Archives and Mausolea Department Building bloom bloom
Suisen Suisen (Narcissus), (Amaryllidaceae) While it grows in coastal places in warm region, they are said to have been planted before instead of a volunteer plant. South of the Suwanochaya, South of Ninomaru pond bloom bloom
Fuyuzakura Fuyuzakura (Prunus×parvifolia 'Parvifolia'), (Rosaceae) It's a species that belong to the lineage of Mamezakura (Prunus incisa Thunb. ex Murray), and blooms twice a year on early April and on sometime between October to December. Keyaki-no-Shima bloom bloom bloom
Flower name Explanation Place of bloom 1 2 3 4 5 6 7 8 9 10 11 12
Estimated time of bloom