• Giant
  • Perennial
  • Zones 3–9
  • Lavender
  • Single

Krossa Regal

Perennial giant hosta in lavender, blooming in midsummer and late summer. Trumpet-shaped lavender flowers up to 5 inches long on scapes 4 to 6 feet tall, above frosty blue-green to gray-blue wavy leaves. USDA zones 3–9.

Cross-referenced · 6 sources

Where to buy

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Leaves of Krossa Regal hosta up close
Leaves of Krossa Regal hosta up close

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A Krossa Regal hosta clump growing in a shade garden
A Krossa Regal hosta clump growing in a shade garden

At a glance

Flower form
Giant Single
Colors
  • Lavender
Blooms
Midsummer, Late summer
Vase life
Not grown for cutting
Height
3–3½ ft (91–102 cm) Spread: 3–6 ft (91–183 cm)
Sunlight
Part shade, Full shade
Hardiness
USDA zones 3–9 Perennial
Planted as
Plant
Botanical name
Hosta hybrid

In the garden

  • Hummingbirds
  • Frequently severely damaged by deer (Rutgers rating)
  • RHS Award of Garden Merit

Find your frost dates and zone by ZIP code

Origin

Hybrid of Hosta nigrescens with an upright, vase-shaped habit, registered by G. and A. Krossa in 1980; RHS Award of Garden Merit (1993).

Bred by G. Krossa and A. Krossa, 1980

Sources

Where to buy

Prices rechecked daily
  • NH HostasLive plant

    4.5 Inch Container

    Check availability

    $16.00Checked Oct 13, 2026
  • Plant Delights NurseryLive plant

    Pack size not listed

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    $20.00Checked Oct 14, 2026
  • Nature Hills NurseryLive plant

    #1 Container

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    $28.77Checked Oct 14, 2026

We may earn a commission when you buy through these links. Your price stays the same. Prices checked Oct 14, 2026.

All photos

  • Leaves of Krossa Regal hosta up close
    Leaves of Krossa Regal hosta up close
  • A Krossa Regal hosta clump growing in a shade garden
    A Krossa Regal hosta clump growing in a shade garden

Questions

Is Krossa Regal hardy in my zone?

Krossa Regal survives winter in the ground in USDA zones 3 to 9. In colder zones treat it as an annual or lift it before the ground freezes.

Does Krossa Regal need full sun?

Krossa Regal grows in part shade or full shade.

When does Krossa Regal bloom?

Krossa Regal blooms in midsummer and late summer.

Is Krossa Regal good for cutting?

Our sources don't list Krossa Regal as a cut flower or give a vase life for it.

See also

See all →
Leaves of Blue Angel hosta up close Blue Angel Giant blue-green hosta forming a 3 by 4 foot mound, with pale lavender to white summer flowers. GiantMidsummerTall
Leaves of Blue Hawaii hosta up close Blue Hawaii Vase-shaped hosta with large, heart-shaped, powdery blue leaves and pale lavender summer flowers. GiantEarly summerTall
Leaves of Earth Angel hosta up close Earth Angel Large to giant hosta with blue-green heart-shaped leaves and wide creamy white margins. GiantMidsummerTall
Leaves of Empress Wu hosta up close Empress Wu Giant hosta with huge, deeply veined dark green leaves forming a clump 3 to 4 feet tall. GiantEarly summerTall

Same colors

See all →
Leaves of August Moon hosta up close August Moon Gold-leaved hosta with seersuckered leaves in a 20 to 24 inch mound and pale lavender to white flowers. LargeLate summerMedium height
Leaves of Autumn Frost hosta up close Autumn Frost Sport of First Frost with blue leaves and extra wide yellow to cream margins in a 12 inch mound. MediumMidsummerMedium height
Leaves of Blue Cadet hosta up close Blue Cadet Compact hosta with heart-shaped blue leaves in a round 12 inch clump and lavender flowers. SmallLate springMedium height
Leaves of Blue Mouse Ears hosta up close Blue Mouse Ears Miniature hosta with thick, round blue-green leaves in a symmetrical 8 inch mound. MiniMidsummerCompact

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