Growing Guide
plant thumbnail

Hosta, Siebold

Herbaceous Perennial Flower

Hosta sieboldiana
Liliaceae Family

This large Hosta, with its heart-shaped bluish-green leaves and pale lilac flowers, makes a spectacular shade-garden specimen plant.

Site Characteristics
  • part shade
  • full shade
Prefers part shade. Tolerates heavy shade. Full morning sun is usually beneficial.

Soil conditions:

  • requires well-drained soil
  • tolerates damp soil
In addition to being well-drained, soil must also be kept moist. If allowed to dry out hostas produce smaller leaves which turn brown and papery around the edges.

Hardiness zones:

  • 3 to 8
Plant Traits

Lifecycle: perennial

Ease-of-care: easy

Height: 2 to 3 feet

Spread: 2 to 4 feet

Bloom time: mid-summer

Flower color:

  • violet
  • white

Foliage color: blue-green

Leaves are bluish-green, heart-shaped, up to 15 inches long and 12 inches wide, and have 12 to 14 pairs of lateral veins.

Foliage texture: medium

Shape: cushion, mound or clump

Shape in flower: flower stalks with upright spikes

Flower stalks are often hidden by the leaves

Special Considerations
Special characteristics:
  • non-aggressive
  • non-invasive
  • not native to North America - Japan
Growing Information
How to plant:

Propagate by division or separation - Divide in spring when the leaves are first coming up. Divide only if necessary, after the plant has matured in 4 to 5 years.

Maintenance and care:
Hostas are generally easy to take care of as long as they are given partial shade and lots of moisture.

More growing information: How to Grow Perennials

Slugs -- Remove dead leaves and weed around plants to reduce problems.

Black vine weevils

Leaf spot and crown rot -- Minimize moisture on leaves by avoiding overhead watering and watering early in the day so the leaves dry quickly.
‘Aurora Borealis’: gold markings on the foliage.

‘Elegans’: steel blue foliage.

‘Frances Williams’: blue green leaf blades with gold bands.

‘Golden Sunburst’: golden yellow foliage.

‘Helen Doriot’: very blue puckered foliage.

‘May T. Watts’: Gold leaves with white margins.

‘Northern Halo’: blue/green leaves with white margins.

‘Blue Cadet’: dwarf with lavender flowers in late summer.

‘Blue Umbrellas’: has lavender flowers with white edges.

‘Krossa Regal’: foliage is silver/blue, thick and pointed.