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Hoyas, species by species.

Hoyas are the collector's houseplant: pet-safe, decades-lived, and split into personalities - hearts, ropes, needles, coins, comets - that barely look related. Here are 14 species profiles with honest difficulty ratings. New to the genus? The wax plant primer covers the basics all of them share.

The collection 14

Kerrii (Sweetheart Hoya)

Hoya kerrii is the valentine of the plant world - thick, perfectly heart-shaped leaves sold by the millions as single-leaf 'sweetheart' cuttings every February.

Compacta (Hindu Rope)

Hoya compacta is the rope of living curls - a carnosa mutation whose leaves twist and fold into dense cables that hang like green dreadlocks and bloom with the same perfect pink porcelain stars.

Pubicalyx

Hoya pubicalyx is the fast one - the hoya that actually grows while you watch, flinging out silver-splashed leaves on questing vines and blooming in dark burgundy-to-black star clusters ('Royal Hawaiian Purple') that smell of cocoa at night.

Australis

Hoya australis is Australia's contribution to the windowsill - a glossy, round-leafed, sun-loving vine that grows with un-hoya-like enthusiasm and produces honey-scented white stars with red throats.

🪴 Intermediate

Bella

Hoya bella is the miniature that outblooms the giants - a dainty, arching shrublet whose thin little leaves disappear each summer under dozens of jasmine-scented white-and-purple stars.

Linearis

Hoya linearis looks like no other hoya - a waterfall of soft, needle-thin, fuzzy strands cascading a meter or more, closer to a green horsetail than a wax plant.

Obovata

Hoya obovata is the coin-leaf hoya - big, round, thick pancakes of deep green freckled with silver, spaced sparsely on wiry vines like beads on a wire.

🪴 Intermediate

Curtisii

Hoya curtisii is the tiniest carpet in the genus - fingernail leaves of grey-green mosaic on threadlike stems that creep over the pot rim and hang like a beaded veil.

Wayetii

Hoya wayetii is the pinstripe hoya - narrow keel-shaped leaves edged in dark maroon that intensifies to near-black in bright light, cascading in tidy ribbons and blooming with grape-scented magenta pom-poms.

Lacunosa

Hoya lacunosa is the perfume specialist - modest dimpled little leaves, and then flowers whose cinnamon-jasmine fragrance embarrasses plants ten times its size.

🪴 Intermediate

Macrophylla

Hoya macrophylla is the architectural one - huge, deeply veined, wax-stiff leaves like embossed leather, usually edged cream-pink in the popular variegated form.

🪴 Intermediate

Retusa

Hoya retusa is the grass hoya - flat, ribbon-thin leaves notched at the tip, tumbling from the pot like a head of green hair.

Serpens

Hoya serpens is the collector's soft one - penny-round fuzzy leaves on creeping stems and, at maturity, oversized minty-green pom-poms with rose centers that look hand-felted.

🪴 Intermediate

Multiflora (Shooting Star)

Hoya multiflora is the odd genius of the genus - an upright, shrubby hoya whose flowers don't form balls at all: they streak backward like tiny comets, in big sprays, nearly all year.

Hoya care in six rules

☀️

Bright light, always

Every hoya complaint - no growth, no flowers, pale leaves - starts with light. Bright indirect is the floor; most thick-leaved species enjoy gentle direct sun too.

💧

Match water to leaf thickness

Thick coaster leaves (kerrii, obovata, compacta) = soak-and-dry every 2-3 weeks. Thin leaves (bella, linearis, multiflora) = steadier, lighter moisture. The leaf tells you its own schedule.

🪨

Airy, chunky roots or rot

Hoyas are epiphytes: bark + perlite + a little mix, snug pots, real drainage. Dense wet soil is the number-one hoya killer, ahead of everything else combined.

🏔️

Know the Himalayan trio

Bella, linearis and serpens come from cool foothills - they want cooler nights, higher humidity and gentler light than the tropical succulents. Same genus, different contract.

🌸

Never cut the spurs

Hoyas rebloom from the same leafless flower spurs (peduncles) for years. Deadheading a hoya deletes next year's show - leave every spur alone.

🐾

Pet-safe genus

Hoyas are non-toxic to cats and dogs across the board - one of the safest flowering houseplant families. The milky sap can mildly irritate skin, so wash hands after pruning.

🌵

Like tough, sculptural plants?

Hoyas share a windowsill philosophy with the cacti & succulents collection - bright light, airy soil, restrained watering. And for trees in miniature, the bonsai catalog is the next rabbit hole.

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