• Formal decorative
  • Perennial
  • Zones 8–10
  • Near-black
  • Double

Lights Out

Perennial formal decorative dahlia in near-black and red, blooming in midsummer, late summer, and fall. A formal decorative dahlia with 3.5 inch velvety black-red blooms. USDA zones 8–10.

Cross-referenced · 5 sources

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A Lights Out dahlia flower up close on the plant
A Lights Out dahlia flower up close on the plant

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Lights Out dahlia plants in bloom in a garden
Lights Out dahlia plants in bloom in a garden

At a glance

Flower form
Formal decorative Double · Miniature · 4 in (9 cm)
Colors
  • Near-black
  • Red
Blooms
Midsummer, Late summer, Fall 90 days from planting
Vase life
Not grown for cutting
Height
3½ ft (107 cm)
Sunlight
Full sun
Hardiness
USDA zones 8–10 Perennial

Lift or treat as an annual below zone 8.

Planted as
Tuber
Botanical name
Dahlia hybrid

In the garden

  • Occasionally severely damaged by deer (Rutgers rating)

Find your frost dates and zone by ZIP code

Origin

A formal decorative dahlia introduced in 2009 by Swan Island Dahlias, with a hedge-like growth habit.

Bred by Swan Island Dahlias, 2009

Sources

Where to buy

Prices rechecked daily
  • Swan Island DahliasBulbs

    Pack size not listed

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    $8.95Checked Oct 14, 2026

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All photos

  • A Lights Out dahlia flower up close on the plant
    A Lights Out dahlia flower up close on the plant
  • Lights Out dahlia plants in bloom in a garden
    Lights Out dahlia plants in bloom in a garden

Questions

Is Lights Out hardy in my zone?

Lights Out survives winter in the ground in USDA zones 8 to 10. In colder zones treat it as an annual or lift it before the ground freezes.

Does Lights Out need full sun?

Lights Out grows in full sun.

When does Lights Out bloom?

Lights Out blooms in midsummer, late summer, and fall, about 90 days from planting.

Is Lights Out good for cutting?

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

See also

See all →
A Black Satin dahlia flower up close on the plant Black Satin Formal decorative dahlia with 4 in deep black-red blooms. Formal decorativeMiniatureMidsummer
A David Howard dahlia flower up close on the plant David Howard Pumpkin-orange formal decorative dahlia with dark foliage, 4-6 inch blooms. Formal decorativeSmallMidsummer
A Diva dahlia flower up close on the plant Diva Formal decorative dahlia with 6-inch dark purple blooms on 4.5-foot plants. Formal decorativeSmallMidsummer
A Fluffles dahlia flower up close on the plant Fluffles Formal decorative dahlia with 5-inch lavender pink blooms, white at the center, on 4.5-foot plants. Formal decorativeSmallMidsummer

Same colors

See all →
A Crossfield Ebony dahlia flower up close on the plant Crossfield Ebony Pompon dahlia with 1.5 in black-red blooms, introduced 1955. PomponMiniatureMidsummer
A Hollyhill Black Beauty dahlia flower up close on the plant Hollyhill Black Beauty Informal decorative dahlia with 6 in black-red blooms. Informal decorativeSmallMidsummer
A Karma Choc dahlia flower up close on the plant Karma Choc Waterlily dahlia with 4 in black-red blooms and dark foliage. WaterlilyMiniatureMidsummer
A Nighty Night dahlia flower up close on the plant Nighty Night Formal decorative dahlia with 4 in black-red blooms. Formal decorativeMiniatureMidsummer

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