Walk into any garden center and you will find them sitting side by side: tall, sword-leaved plants on slim stems, often labeled with names that contradict each other from one shelf to the next. A Cordyline australis sold as “Dracaena spike.” A Cordyline indivisa sold as “Dracaena indivisa.” A genuine Dracaena marginata sometimes mislabeled as… Continue reading Dracaena vs Cordyline: Why Two Lookalike Genera Are Botanically Worlds Apart
Category: Botany
Cold Hardy Aloes: Which Species Survive Frost Outdoors?
Most aloes are frost-tender — their gel-filled leaves freeze, the cells burst, and the plant turns to mush. But a surprising number of species from the high-altitude grasslands, mountain slopes and winter-cold plateaus of southern Africa tolerate temperatures well below freezing and can be grown outdoors year-round in climates far colder than most gardeners realise.… Continue reading Cold Hardy Aloes: Which Species Survive Frost Outdoors?
Cactus or Euphorbia? How to Tell Them Apart — And Why It Matters
Somewhere in a garden centre right now, a customer is buying a “cactus” that is not a cactus. It happens millions of times a year: Euphorbia trigona sold as “African milk tree cactus”, Euphorbia tirucalli labelled “pencil cactus”, Euphorbia lactea ‘Cristata’ marketed as “coral cactus”, Euphorbia horrida sitting on the cactus shelf next to the Ferocactus. The confusion is understandable — many euphorbias look… Continue reading Cactus or Euphorbia? How to Tell Them Apart — And Why It Matters