The Botanical Diary
S
Flowers

Siebold's Hosta

Hosta sieboldiana
Also known ashosta, plantain lily, funkia

Over 3,000 hosta cultivars have been developed

Regions
all regions
Colour
Ліловий, white
Siebold's Hosta (hosta, plantain lily, funkia)
🌸
Bloom
July–August
☀️
Light
Partial shade / тінь
💧
Watering
High
📏
Height
0,3–0,9 m
❄️
Hardiness
Zone 3

Siebold's Hosta is a true queen of shaded garden corners, originating from Japan where it has been treasured since ancient times for its enormous, deeply corrugated leaves. This species was named after the German botanist Philipp Franz von Siebold, who introduced Japanese hostas to Europe in the nineteenth century, and since then the plant has captured the hearts of gardeners worldwide.

The remarkable feature of Siebold's Hosta lies in its extraordinary foliage. Dark green, deeply corrugated leaves with a bluish bloom form lush clumps, and in summer delicate lavender-white flowers appear on tall flower spikes. Breeders have worked with this plant for centuries, creating countless cultivars with variegated foliage—from golden and creamy tones to milk-white stripes, so every gardener will find a variety to suit their taste.

In the garden, Siebold's Hosta is indispensable for landscaping shaded areas beneath trees or near north-facing walls of a building, where other plants often refuse to grow. It combines beautifully with ferns, other hostas, and conifers, and its architectural foliage creates stylish contrast in compositions. This is a plant for those who appreciate tranquillity and dislike daily fussing—give it moist soil and mulch, and it will gratefully serve you for many years.

Interestingly, Siebold's Hosta has influenced gardening so profoundly that modern breeders have developed over three thousand cultivars of this species! If you wish to enhance a shady corner without unnecessary effort, this queen of the Japanese garden is precisely what you need.

Location & soil

Siebold's Hosta — planting & location

LightPartial shade / тінь
Soil typerich, humus-rich, рН 6–7
Planting timeApril або August–September
Plant spacing0,4–0,6 m
Planting depth5–10 см

Ornamental foliage, ideal for shaded locations

Water needs

How to water Siebold's Hosta

IntensityHigh
FrequencyEvery 7 days (в)
Volume10–12
MethodAt the base

Mulch helps retain moisture

Annual care

Fertilizing and pruning: Siebold's Hosta

Spring fertilizingNitrogen (April)
Summer fertilizingDo not fertilise
Autumn fertilizingSuperphosphate (August)
Pruning timeOctober (sanitary)
Pruning typeSanitary

Remove foliage after the first frost

Cold hardiness

Siebold's Hosta — winter hardiness & care

Hardiness zoneZone 3
Winter coverConifer branches or peat, 10 cm layer
Cover timingNovember
Plant protection

Diseases and pests of Siebold's Hosta

Diseases
Вірусна мозаїка хости
Pests
Слимакиравлики
Garden design

What grows well with Siebold's Hosta?

Астільба, папороть, гейхера