Gasplant

Dictamnus albus

Native to:
Albania, Austria, Bulgaria, Czechia-Slovakia, France, Germany, Greece, Hungary, India, Iran, Italy, Kazakhstan, Kirgizstan, Krym, Lebanon-Syria, North Caucasus, NW. Balkan Pen., Pakistan, Palestine, Poland, Romania, Russia, Sinai, Spain, Switzerland, Tadzhikistan, Transcaucasus, Türkiye, Ukraine, Uzbekistan

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Taxonomy

Division:
Magnoliophyta | - Flowering plants
Family:
Rutaceae
Genus:
Dictamnus
Species:
Dictamnus albus
USDA Symbol:
DIAL4

Growth Characteristics

Life Cycle:
Perennial
Growth Habit:
Forb/herb
Height:
120 cm
Light Requirements:
Full Sun
Drought Tolerance:
High
Bloom Months:
may,jun,jul
Bloom Colors:
white, pink, purple

Wildlife Benefits

Bees:
★☆☆☆☆ Documented bee visitation (GBIF)
Butterflies & Moths:
★☆☆☆☆ Documented Lepidoptera association (GBIF)
Caterpillars:
★☆☆☆☆ Recorded caterpillar host plant (HOSTS Database)

Host Plant for Caterpillars

Black Swallowtail (Papilio polyxenes), Giant Swallowtail (Papilio cresphontes)

Reported Fauna Sightings

Butterflies:Eastern Giant (Heraclides cresphontes)

Garden & Ecology Notes

Wildlife Value:
bees, butterflies
Deer Resistant:
Yes
Fragrant:
Yes
Fire Ecology:
Fire adapted — tolerates or benefits from fire
Fire Notes:
The plant produces volatile oils that can ignite on hot days, giving it the common name 'gas plant' or 'burning bush.' It resprouts from deep taproots after fire.

Soil Requirements

Soil Type:
rich, well-drained loamy soil
pH:
6.0 - 8.0 (slightly acidic to neutral)
Drainage:
excellent drainage required
Moisture:
dry to moderate
Notes:
Prefers sunny locations with protection from strong winds

Propagation & Germination

Stratification:
Cold/moist stratification required — 60–90 days
Germination Time:
30–180 days
Notes:
Germination is slow and erratic; fresh seed germinates best. May require double dormancy in some cases.

The above propagation data sourced from Claude AI

ORGHPS Germination Guide: Sow @ 4C for 3 weeks, then place @ 20C.

Source: Ontario Rock Garden & Hardy Plant Society