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Gleditsia triacanthos var. inermis Elegantissima

Honey Locust

1 grower · 1 size · from $110.00 ex GST

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Elegantissima (Gleditsia triacanthos 'Elegantissima'), which HortFlora calls the thornless compact gleditsia, is a small honey locust: a dense tree, nearly columnar and without thorns, that HortFlora counts as dwarf. Trees and Shrubs Online, a British reference, gives an old plant in England about 7.6 m tall, and a photograph caption there gives one nearly 10 m tall in France. Queensland restricts honey locust, and its fact sheet says no variety may be sold anywhere in the state.
Illustration of Gleditsia Elegantissima (Gleditsia triacanthos 'Elegantissima'): the whole plant seen from a distance, a small, dense, nearly columnar tree on a short trunk, much taller than wide, its fine green foliage forming a narrow column
Gleditsia Elegantissima (Gleditsia triacanthos 'Elegantissima'), the whole plant: a small, dense, nearly columnar tree
Type
Deciduous tree
Height
7.6 m to 10 m
Flowers
Yellowish-green, spring to summer
Sun
Full sun; growth is slow in shade
Drought
High
In Australia
Naturalised
GrowerPrice
Eumundi Roses330mm$110.00

Using thornless compact gleditsia

No reference read names a use for Elegantissima or gives its own needs for sun, soil, water, frost or pruning. The Sunburst page carries honey locust's climate and drought lines from NSW WeedWise and the Queensland fact sheet's pest line. HortFlora describes Elegantissima alongside the golden Sunburst and the green Shademaster. The HortOS catalogue writes it as var. inermis 'Elegantissima'; HortFlora writes the thornless honey locust as f. inermis DC. and lists Elegantissima under the species itself, and Trees and Shrubs Online lists it apart from its entry for f. inermis.

What to check before you buy

Queensland lists honey locust as category 3 restricted matter, which may not be sold, given away or released into the environment, and every other Gleditsia species as prohibited matter; the Queensland fact sheet says every variety of honey locust has to be managed and may not be sold anywhere in the state. Six New South Wales regions list honey locust as a priority weed whose recommended measures say a person should not buy or sell it; the Central Tablelands entry alone excludes garden varieties derived from var. inermis cultivars, without naming any. Western Australia's Organism List gives the species as permitted, and no other state's register was read. The HortOS guide on judging nursery plant quality covers the root and canopy checks.

Cautions

Business Queensland says grafted ornamental thornless honey locust varieties grow thorns later or give thorny seedlings. NSW WeedWise, in its Central Tablelands entry, says that if the grafted top of a garden variety dies, its rootstock wildings should be controlled.

Queensland: honey locust (Gleditsia triacanthos) is category 3 restricted matter under the Biosecurity Act 2014 and must not be given away, sold or released into the environment; every other Gleditsia species is prohibited matter there. New South Wales: a regional priority weed in the Central Tablelands, Central West, Hunter, North Coast, North West and Northern Tablelands regions, whose recommended measures say a person should not buy or sell it (the Central Tablelands entry excludes garden varieties derived from var. inermis cultivars). Western Australia: permitted for the whole state on the Western Australian Organism List. (Queensland Biosecurity Regulation 2016, Schedules 1 and 1A, with Business Queensland's page on the listing; NSW WeedWise (NSW Department of Primary Industries and Regional Development); Western Australian Organism List (DPIRD))

Prices are set by each grower and shown ex GST. Availability is confirmed by the grower at order.

Common questions

Who grows Gleditsia triacanthos var. inermis Elegantissima wholesale in Australia?
1 wholesale grower lists Gleditsia triacanthos var. inermis Elegantissima on HortOS right now, each with their own pot sizes and trade prices. They are in Queensland. The growers are named on this page.
What pot sizes does Gleditsia triacanthos var. inermis Elegantissima come in?
Growers on HortOS list Gleditsia triacanthos var. inermis Elegantissima in 330mm.
How do I order Gleditsia triacanthos var. inermis Elegantissima from these growers?
HortOS is for the trade. Add the lines you want to a list and send it: each grower gets their part of the order by email, confirms what they have and quotes freight, and nothing is bought until you approve it. Listing, searching and ordering are free.
How big does Elegantissima grow?
HortFlora calls it dwarf and nearly columnar but gives no figure, and no Australian reference read gives one. Trees and Shrubs Online, a British reference, says the original plant took 25 years to reach about 4 m and that an old plant in England is about 7.6 m, and its photograph caption gives one nearly 10 m tall in France.
Is Elegantissima thornless?
HortFlora describes it as a thornless tree. Business Queensland says that grafted ornamental thornless honey locust varieties, in general, grow thorns later or give thorny seedlings.
Can Elegantissima be sold in Queensland?
No. Honey locust is category 3 restricted matter under Queensland's Biosecurity Act 2014, and the Queensland fact sheet says no variety may be sold anywhere in the state. Its list of named varieties leaves out Elegantissima, but the rule covers every variety.
Does Elegantissima set seed pods?
No reference read says. The New South Wales flora and NSW WeedWise describe the species' long, flat brown pods with the seeds in a sweet pulp, and Trees and Shrubs Online says some of the named thornless clones sold in the United States are sterile, without naming Elegantissima among them.
Where did Elegantissima come from?
Trees and Shrubs Online says a nurseryman of Orleans in France raised it around 1880. HortFlora gives it the name thornless compact gleditsia.

Sources

The growers, sizes and prices above are live and change as lists arrive. Cite this page: HortOS, Thornless compact gleditsia (Gleditsia triacanthos 'Elegantissima'), https://au.hortosapp.com/plants/gleditsia-triacanthos-inermis-elegantissima.

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