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PlantFiles is the largest plant database in the world, with information and photos for 190,468 different plants! View our 326,352 images and read our 118,612 detailed and helpful comments. Search for a plant by its common or botanical name using the green button below, or scroll down the page and browse through hundreds of popular cultivars, or search for plants by their characteristics (height, hardiness, etc.)
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The specific epithet, triacanthos is from the Greek, tri (three) and canthos (thorn). It is used to describe the triple-branched thorns of the genus Gleditsia, honey locust trees. The strong thorns were once used in carding wool and pinning up cloth sacks. The trees are handsome and adapt easily to most climate conditions, however the seed pods can be messy when dropped and the trees freely sucker, producing a great number of offspring.
The Plant of the Week
Moss Rose Portulaca grandiflora
One of the most reliable annuals for hot, sunny conditions, Portulaca grandiflora is a familiar container plant or rock garden resident for many gardeners. Our grandmothers called it 'moss rose' or 'rose moss' and it is well known for happily reseeding each year. While there are many hybrids with double or triple forms and striped or unique colors, eventually, subsequent generations will revert back to the familiar 'Lifesaver Candy colors' that we all recognize. Rose moss is inexpensive and even the smallest nursery or garden center will offer it each season. Seeds are also plentiful in the 'cheapie seeds' section of the local big box store. The cheerful flowers open each sunny day and the blossoms continue throughout the season. It prefers full sun and does not like boggy soil or wet feet, so make sure that containers or gardens drain well where it is planted. If left on its own, it will reseed and new plants will pop up each spring.
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