Scientific Name: Eucalyptus johnstonii Endemic Having a natural distribution confined to a particular geographic region
Common Name: yellow gum
Family Classification (Clade): Eudicots
Family: Myrtaceae
Form Description: Tree. Leaves: Juvenile – round with a toothed margin, green and glossy. Adult – lanceolate with a toothed margin, dark green, glossy and leathery. Concolorous. Bark: Smooth, grey streaked orange-red or yellow-green when new.
Height (m): 10 – 50
Flowers: Umbels 3-flowered.
Fruit: Wood capsules – bell-shaped, green to brown, ribbed, with protruding valves.
Municipality
Plant Communities
Habitat Notes
A tall tree in wet sclerophyll forest and a small tree in dry sclerophyll forest on acid sandstone in areas of high rainfall.
Site Tolerance
Exposed, Moist, Rocky
Soil Tolerance
Fertile, Loam, Nutrient-poor, Well-drained
Frost Tolerance
Hardy
General Notes
Deep green, glossy leaves and smooth yellow bark characterise this beautiful tree suited to damp acidic soils in larger gardens.
Propagation Calendar
-
Flowering Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -
Seed Collecting Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -
Sowing Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec -
Cutting Month
Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Propagation Method
Seed Information
Seed Collection
Collect capsules and store in paper bags until valves open to release seed. Separate seed by sieving.
Seed Treatment Method
Standard Scatter seed thinly on to damp potting mix. Hold seed in place by covering with more potting mix to approximately the depth of the seed size.
Seed Storage Life
More than 10 years dry stored in refrigerator at 3-5°C
Seed Treatment Notes
Suitable for direct seeding.
Germination Time
2-4 weeks
Cutting & Division Information
Impracticable