Chinese Pink (Dianthus chinensis L. var. chinensis) Caryophyllaceae
Grows well in low, dry areas, dry wet land, sandy soil by the streams, and forest skirts; favors sunny places. Can live on any soil but prefers sandy loam or loam with high content of organics. If mixed soil is used, make the ratio of leaf mold:culture soil:sand as 3:5:2. Grows well in sandy soil where water drains well.
Cluster-amaryllis (Lycoris radiata (L'Her.) Herb.) Amaryllidaceae
In September and October a scape comes out from the bulb and grow 30-50 ㎝ in height with big flowers an umbrella shape. Inflorescence bract is wide linear or spear shape, 2-3 ㎝ long, membraneous; pedicels 6-15 ㎜ long
(Sedum kamtschaticum Fisch. & Mey.) Crassulaceae
Flowers bloom in June to July, pentamerous. Corymbs are hanging at the end of main stem, with many yellow flowers. Sepals lanceolate linear, apices obtuse, green; petals five, lanceolate, apecies acute, yellow, 5 ㎜ in length. Stamens are 10.
(Dicentra spectabilis (L.) Lem.) Papaveraceae
Flowers bloom in May to June, light red, 2.7-3 ㎝ long, 1.8-2 ㎝ wide, base heart shaped, drooping; inflorescence raceme, at the end of main stem, bends like arrow, 20-30 ㎝ long, developed at the end of main stem. Petals are spear shaped, apecies obtuse, 6-7 ㎜ long.
(Iris koreana Nakai) Iridaceae
Flowers 1-2, yellow, subtended by two lanceolate bracts, 2-2.5 ㎝ long, consisted of outer and inner perianths (tepals). Outer tepals yellow, obovate, recurved; inner tepals yellow, elliptic, apices emarginate, erect. Ovary oblong- spindle shaped; stigma recurved, acute.
Magic Lily (Lycoris squamigera Maxim.) Amaryllidaceae
The scape is developed in August and grows into 60H in height, and an umbel is developed with 4-8 flowers at the end. The involucres is 2-4H in length and wide spear-shaped, and the floral axis is 1-2H in length and the flower is 9-10H in length, and the tube is 2.5H in length with pale reddish purple color. It has 6 calyx lobes.
Early Daylily (Hemerocallis dumortieri Morren) Liliaceae
Flowers bloom in June and July and the scape is about 40-70H in height, which is similar to or slightly longer than the leaves. The inflorescence is short and divided into 2 with a few flowers in the raceme form, and the pedicel is short and the bract is ovate or oblong-ovate, and acute, and the flower is 8-10H in length, and the inter-perianth is about 2.5H in width.
(Dendranthema zawadskii (Herb.) Tzvelev var. zawadskii) Compositae
Pale red or white flower blooms in July-September. The capitulum is formed each on the end of the main stem and the end of the branch, 3-6H in diameter. Big pale red petals is in the edge and a yellow tubular petals is in the middle.
(Iris ensata var. spontanea (Makino) Nakai) Iridaceae
Flower blooms in June-July and is developed at the end of the main stem or branch, and reddish purple with yellow stripes inside. In the bottom part of a flower, 2 brown sheath-like bracts surround the ovary. The number of outer-perianth is three and they are on the thick scape, the limb is drooped below, elliptical with flat edges, veins, and yellow-colored bottom.
(Astilbe rubra Hook.f. & Thomson var. rubra) Saxifragaceae
Reddish purple flower blooms in July-August and forms a panicle at the end of the stalk. The inflorescence is about 30H in length with many flowers and short hairs. The calyx is divided into 5 lobes and the lobe is ovate, and the flower has 5 linear petals with 10 stamens and 2 styles.
(Mukdenia rossii (Oliv.) Koidz.) Saxifragaceae
The scape has no leaf and is developed obliquely in May up to 30H in height, and flowers with reddish tint on white color form the panicle inflorescence. The calyx lobe, petal and the stamen is 6 in numbers respectively, and the calyx lobe is ovoid-oblong, acute, and whitish in color and the petals are ovoid-lanceolate.
Lobate Campion (Lychnis cognata Maxim.) Caryophyllaceae
Flower blooms in July-August, 4H in diameter and dark red colors, with one flower on the end of the pedicel which is developed each from the main stem and the axil. The pedicel is short and hairy and the calyx is like a long tube and hairy outside, and divided into 5 lobes at the end.
(Hylotelephium ussuriense (Kom.) H.Ohba) Crassulaceae
Dark reddish purple flower blooms in July-August, forming round shape at the end of the main stem. The calyx is divided into 5 lobes at the end and the lobe is lanceolate and green. The 5 petals are purplish red and pear-shaped and 5 out of 10 stamens are opposite to petals and the filament has about the same length as the petals.
Blackberry Lily (Belamcanda chinensis (L.) DC.) Iridaceae
Flowers bloom in July-August, 5-6H in diameter, and spread horizontally and have dark spots on the yellowish red background. Several flowers are formed at one spot where the end of the main stem and the end of the branch are divided 1-2 times, and 4-5 bracts are at the bottom.
(Hosta longipes (Franch. & Sav.) Matsum.) Liliaceae
Flowers bloom in July-August and the scape is 30-40H in length and pale purple flowers, 4H in length, form the raceme inflorescence in a slanted way. The pedicel is 4-11M in length and the bract is thin membrane and purplish white and has almost the same length as the pedicel, which is collapsed after the flower blooms.
Uniflower Swisscen-taury (Rhaponticum uniflorum (L.) DC.) Compositae
Flowers bloom in June-August, 6~9H in diameter, by straightly forming one for each end of the main stem. The involucres is hemi-sphere, 3H in length and 5H in width, and the fragment of bract is arranged in 6 lines, and the outer lobe and the middle lobe are spatulate with wide upper parts and some hairs on the back side and more hairs at the bottom, and the inner lobe is linear.
(Hydrangea macrophylla var. acuminata (Siebold & Zucc.) Makino) Liliaceae
Large corymb inflorescence is formed in July-August on the end of the branch grown in that year and has hairs, and neuter flowers around it are each 2-3H in diameter, and the calyx lobes are like petals, 3-5 in numbers, and white, pinkish, or dark blue in colors. Bisexual flower has 5 small calyx lobes and 5 petals.
Korean Epimedium (Epimedium koreanum Nakai) Berberidaceae
Yellow-white flowers bloom in April-May and hang downward in the compound raceme inflorescence at the end of the main stem, 2H in diameter. The number of calyx lobes is 8, in which 4 outer lobes are small and different in size and fall early, but 4 inner lobes are larger and similar in size.
(Thymus quinquecostatus var. japonica Hara) Labiatae
Pale pink flowers bloom in June and are formed by 2-4 flowers on the axil, but it looks like a short spike because it clusters at the end of the branch and 10M in length, and the pedicel is 3M in length and hairy. The calyx is 3M in length and has 10 veins, and 3 upper lobes are triangular.
Siebold Primrose (Primula sieboldii E.Morren) Primulaceae
Reddish purple flowers bloom in April and the scape is hairy and 15-40H in height with 7-20 flowers forming the umbel inflorescence at the end, and the involucres lobe is lanceolate and the pedicel is 2-3H in length and has sparsely developed process-like hairs.
Fragrant Plantain Lily (Hosta plantaginea (Lam.) Aschers.) Liliaceae
The scape is about 40-56H in length, sometimes over 1m, with 1-2 (4) bracts and flowers form raceme inflorescence. There are 2 bracts, among which the lower one is 3-8H in length, oblong-ovate or ovoid-lanceolate, and green.
(Gentiana scabra Bunge for. scabra) Gentianaceae
Flowers bloom in August-October and are purple and 4.5-6H in length, with no scape, and formed on the axil and the end of the upper part, and the bract is narrow-lanceolate. The calyx tube is 12-18M in length with irregular lobes, which are linear lanceolate and longer or shorter than the tube, and the corolla is campanulate.
Argun Dragon-head (Dracocephalum argunense Fisch. ex Link) Labiatae
Flowers bloom in June-August, which are purple and peltate and several flowers form the spicate inflorescence at the end of the stem. The spicate is short and about 2~5H in length. The calyx is 12-15M in length and has normally distributed hairs and thick veins, and irregularly divided into 5 lobes almost to the center and the tip of the lobes looks like a needle.
(Convallaria keiskei Miq.) Liliaceae
The flower is white and 6-8M in length and campanulate, and its tip is divided into 6 pieces and replicated. The scape is 20-35H in height and developed from the inside of sheath-shaped leaf which is shorter than the leaf , and the inflorescence of about 10 flowers 5-10H in length. The bract is membranous and broad linear or lanceolate, and shorter than or same as the floral axis. The floral axis is long.
(Ixeris stolonifera A.Gray) Compositae
Flower blooms in May-June, and the scape in the flowering season is 8-15H in length and divided into 2-3 without leaves, and the capitulum is 1-3 in numbers and yellow and 2-2.5H in diameter. The involucres is 8-10M in length and has 9 or 10 inner bract lobes.
(Heloniopsis orientalis (Thunb.) Tanaka) Liliaceae
Flowers bloom in April and 3-10 flowers form the raceme inflorescence, which is reddish purple but changed to purplish green after blooming. The scape is 10-30H in height with bract-like leaves and new leaves are grown on the side of the bottom part like a cushion. The pedicel is 1.5-2H in length when fruits are ripening and the perianth lobes are 6 in numbers and replicated lanceolate-shaped.
(Campanula punctata Lam.) Campanulaceae
Flowers bloom in June-August and white or pale reddish purple flowers have dark spots and. Bell-shaped flowers are formed at the end of the long scape and drooped. The flower is 4~8H in length, and the flower body is 3.5H in length and blooms downward. The calyx is 5 in numbers and divided into narrow lobes and green and hairy.
Nursery Spiraea (Caryopteris incana (Thunb.) Miq.) Verbenaceae
It is called 'cheungkkotnamu' because it looks like a staircase from the centrifugal form on the axil of the upper part. The calyx is campanulate and deeply divided into 5 lobes which are lanceolate, and the corolla is purplish blue and 5-6M in length with hairs on the outside, and the lobe at the bottom is the biggest and divided thinly again.
Chinese Trumpet Creeper (Campsis grandifolia (Thunb.) K.Schum.) Bignoniaceae
Flowers, 6-8H in diameter, bloom in August-September and its color is yellowish red but the outside is reddish yellow, and 5-15 flowers are blooming on the terminal of the panicle at the end of the branch. The calyx is 3H in length and the lobes are lanceolate without hairs. The corolla is funnel-like campanulate and the tube is not exposed outside the calyx and its size is large.
Japanese cornlian cherry (Cornus officinalis Siebold & Zucc.) Cornaceae
Bisexual flowers bloom in March-April before leaves are out, and are yellow and 4-5M in diameter, and 20-30 flowers form the umbel inflorescence. Four involucres lobes are yellow, 6-8M in length, elliptical and acute, and the pedicel is 6-10M in length.
Japanese Honeysuckle (Lonicera japonica Thunb.) Caprifoliaceae
Flowers bloom in June-July and 1-2 flowers are formed on the axil. The bract is formed right below the leaf and 2-3H in length, elliptical or ovate, and opposite, and the bracteole is 1M in length. The calyx has no hair and the lobes have hairs, and the corolla is 3-4H in length.
Kobus Magnolia (Magnolia kobus DC.) Magnoliaceae
Bisexual flowers, 10H in diameter, bloom in March-mid April before leaves are out and 6 petals are white (yulan or Chinese magnolia has 9 petals) but the base is pale red (yulan or Chinese magnolia is also white but no pale red color in the base), fragrant, about 5-8H in length, 6-9 in numbers, and oblong.
(Spiraea prunifolia for. simpliciflora Nakai) Rosaceae
All lateral buds on the upper part of the branch becomes flowers, and 4~6 flowers form the umbel inflorescence in April-May on short branches on the upper part developed from the previous year and the pedicel is 1.5H in length without hairs. The calyx lobes are 5 in numbers and lanceolate with fine hairs inside, and the petals are white.
(Acer tataricum subsp. ginnala (Maxim.) Wesm.) Aceraceae
Compound corymb is formed at the end of the stem, 7H in length, and polygamous flowers bloom in May-June and are fragrant and yellowish white. The staminate flower is 4.5M in diameter with 5 petals, 5 calyx lobes and 8 stamens, and the calyx lobe is long ovoid and the petal is an elliptical emarginate and the filament is white.
Korean Barberry (Berberis koreana Palib.) Berberidaceae
Pale yellow bisexual flowers bloom in May, forming raceme inflorescence shorter than the leaves. The scape is 2-4H in length and the pedicel is 4-6M in length.
Japanese Kerria (Kerria japonica (L.) DC. for. japonica) Rosaceae
Bisexual flowers, 3-4H in diameter and yellow, bloom one at each end of the stem and are developed from the end of the side branch along with leaves, and the pedicel is 2H in length. There are 5 calyx lobes, which are ovoid cuspidates, with tiny serrations and without hairs. The petals are 5 and ovate or oval. There are many stamens which length is similar to that of the style.
Chinese Holly (Ilex cornuta Lindl. & Paxton) Aquifoliaceae
Dioecism or polygamous flowers bloom in April-May and are fragrant and 7M in diameter. Five or six white flowers form the umbel inflorescence on the axil developed from the previous year and the peduncle is 5-6M in length and has no hair. The pistil has no style and the stigma is slightly higher and divided into 4 pieces, which is turned black.
Large Chinese Hawthorn (Crataegus pinnatifida Bunge for. pinnatifida) Rosaceae
Flowers bloom in April-May after the leaves are out and are 1.8H in diameter and white or pale red in colors. The corymb inflorescence is 5-8H in diameter and hairy, and the petal is round. There are 5 petals and 5 calyx lobes, and 20 stamens, and the anther is red. Small flowers like pear blossoms are blooming in clusters.
(Rosa banksiae Aiton) Rosaceae
Flowers bloom in May-July at the end of a new stem in a corymb inflorescence, and its color is commonly red but has often several colors, and the scape and the pedicel sometimes have glandular hairs. The calyx lobe has pointy tips with hairs inside and edges, and the petals are layered and the stamen is shorter than petals.
Korean Weigela (Weigela subsessilis L.H.Bailey) Caprifoliaceae
Flowers bloom in May, which are changed from yellowish green to red, by developing 1-2 at a time from the axil and its shape is like an upside-down bottle or a funnel and 3-4H in length. The scape is hairy and the calyx lobe is linear and divided into the bottom.
(Philadelphus schrenkii Rupr. var. schrenkii) Saxifragaceae
Flowers bloom in May-June forming raceme from the terminal or the axil. The inflorescence has tiny hairs and 5-7 white flowers, but the flowers on the bottom are developed from the axil and 3-3.5H in diameter and have scents, and the pedicel is 6-13M in length and has tiny hairs like the calyx tube.
Sargent Juniper (Juniperus chinensis var. sargentii Henry) Cupressaceae
It is dioecism and blooms in April-May. The staminate flower is ovate and 2M in length and the scale is yellowish green but the edge is yellow. The flower is developed from the previous autumn.
Crape Myrtle (Lagerstroemia indica L.) Lythraceae
Bisexual flowers of red color bloom in July-September into the autumn and are called mokbaegilhong (crape myrtle). The panicle formed at the end of the stem developed in that year stands straight up to 10-25H in length and 3-4H in diameter. The calyx is divided into 6 lobes, which are sometimes reddish purple, and 6 petals are round and wrinkled.
Japanese Hackberry (Celtis sinensis Pers.) Ulmaceae
Polygamous flowers bloom in April-May and the staminate flower is developed from the basal axil of a new stem forming centrifugal inflorescence with 4 stamens. The carpellate flower is formed on the upper part of a new stem 1-3 in numbers and the staminate flower is formed on the lower part. It has 4 perianth lobes, 4 small stamens, and 1 pistil, and the style is divided into 2 and replicated