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With its blue-gray frosted leaves, the Siebold’s hosta is one of the most beautiful leaf ornamental plants. It fills shady spots in the garden and on the terrace with great elegance.
Profile of Siebold’s hosta:
Scientific name: Hosta sieboldiana
Plant family: asparagus family (Asparagaceae), genus plantain lilies (Hosta)
Other names: –
Sowing time:
Planting time: March until autumn
Flowering period: June to August
Location: semi-shady to shady
Soil quality: sandy to loamy, lime tolerant, humus rich
These information are for temperate climate!
Use in: flower beds, single position, group planting, planters, under wood, natural garden, pot garden, forest garden
Winter hardiness: hardy, USDA Plant Hardiness Zones: 6
Bee and insect friendly:
Plant characteristics and classification of Siebold’s hosta
Plant order, origin and occurrence of Siebold’s hosta
The Siebold’s hosta (Hosta Sieboldiana) from the genus Hosta is one of the most beautiful species among its kind. It comes from Japan, where it is located on the island of Honshu in cool, rocky mountain forests.
Characteristics of Siebold’s hosta
Plant
As a perennial, Hosta Sieboldiana from the asparagus family (Asparagaceae) slowly grows from short, thick rhizomes to a stately size between 70 and 80 centimeters (28 to 32 in). Their clusters of impressive blue-gray frosted leaves easily take up one square meter in old age. The leaf color may vary depending on the location. In addition, it bears very attractive flowers, which are colored purple or white depending on the variety.
Leaves
The big leaves of Siebold’s hosta are hard to beat in their elegance. They impress with their clear, heart-shaped leaf shape and the graphic appearance of the veins. The slightly ribbed leaf blades shimmer in a greyish-tinged teal. The leaves of the shine most intensely in the humid shade. Its shiny appearance is lost in the sun.
Blossoms
The subtle purple-toned bell flowers of Hosta Sieboldiana open just above the leaves on tall stems and are up to 5 centimeters (2 in) in size. The flowering period ranges from June to July, sometimes even into August.
Fruit
The Siebold’s hosta forms capsule fruits that contain many black winged seeds.
Siebold’s hosta – cultivation and care
Location
The Siebold’s hosta requires partial shade or shade. Best is a cool place with high humidity.
Soil
The soil should be rich in humus, sandy to loamy and fresh to moderately moist.
Planting
Hosta Sieboldiana can be planted in the garden from March until autumn. Tere should be only one plant per square meter (10 sq ft.). The Siebold’s hosta can get very old and will become more and more beautiful over the years if you let it grow undisturbed. For this it needs enough space right from the start.
Watering
If a Siebold’s hosta grows in fresh soil, it only needs to be watered if there is no rain for a long time. Hostas should be watered regularly when it is dry, because their large leaves evaporate a lot of water.
Fertilization
It is worthwhile to provide young plants with an organic fertilizer when they sprout in spring. So the offspring of Siebold’s hosta quickly turns into stately specimens.
Propagation
Most of the hostas can be easily shared by dividing its rhizomes. It makes sense to cultivate new plants in spring.
Diseases and pests
Unfortunately, slugs have a great preference for hostas. You can protect your Hosta Sieboldiana by collecting the snails regularly or by dispersing slug pellets. A very special disease is the Hosta Virus X (HVX). Infested plants must be disposed of immediately with household waste to prevent them from spreading to healthy plants.
Wintering
A planted Hosta Sieboldiana is hardy and needs no measures for winter. In buckets, on the other hand, one should place the large pots in a protected place in the immediate vicinity of the house. In the case of very strong frosts, it is advisable to additionally wrap the buckets with jute sacks or brushwood mats and, if necessary, to place them on polystyrene or wooden panels from below to protect against excessive cold.
Use in the garden
The attractive hardy perennial causes a sensation with its large, decorative leaves in every shady bed and on the edges of trees. Hosta Sieboldiana is also suitable for the pot garden. However, one should plant the permanent guest in buckets that have a volume of at least 50 liters (15 gallon or 18 in). You can achieve beautiful visual effects if Siebold’s hosta are arranged with dark red astilbe, ferns, rodgersia and grasses for shade. An underplant with the Pacific bleeding heart (Dicentra formosa) looks beautiful. Since Hosta Sieboldiana sprouts late like all hostas, they are ideal partners for early bulb bloomers, such as wild garlic, who want to retire their leaves after flowering.
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