Heartleaf philodendron

Golden pothos

Larger, thicker, slightly asymmetric leaves with an off-centre midrib and a longer petiole. Pothos variegation is speckled/splashed, not a clean central stripe. Pothos leaves are stiffer and less heart-shaped than philodendron's.

Velvet-leaf philodendron

Same species as hederaceum, but the 'Micans' cultivar has a matte velvety surface and bronze-purple undertones. Leaves are smaller and more pointed.

Satin pothos

Silvery-splashed, slightly thicker and stiffer leaves on a vine. Not actually a pothos or philodendron — different genus with a matte silver-flecked leaf surface.

Medium to bright indirect light.

Medium indirect is ideal. The species form tolerates genuinely low light (a north window, a dim corner) but slows dramatically. 'Brasil' and other variegated cultivars need more light to keep their yellow/cream stripes — in deep shade they push plain-green new leaves and the variegation gradually disappears. Direct afternoon sun scorches the thin leaves.

Seasonal: Nordic winters: a simple desk-level grow light for 8–10 hours/day keeps variegated cultivars colouring well from October through March.

When the top 2–3 cm of soil feels dry.

Water thoroughly until runoff, then empty the saucer. Philodendron hederaceum is drought-tolerant for an aroid and recovers well even from a significant wilt, but dislikes standing water. Leaves go limp when it needs water — a quick rebound within a few hours of watering is typical.

Seasonal: Cut frequency by roughly a third from November to February.

Chunky aroid mix.

A mix of 2 parts peat-free potting soil, 1 part perlite, and 1 part orchid bark holds the right balance of moisture and air around the fine epiphytic roots. A plain potting-compost mix works but increases rot risk. Top-dress with a little fresh bark every spring.

40–60 %; tolerates 30 %.

Ordinary indoor humidity is fine. Very dry air (below 30 %) can cause slightly crispier leaf edges but rarely kills the plant. 'Micans' is the most humidity-appreciative cultivar because of its thinner velvet leaves.

18–27 °C.

Keep away from cold window glass in winter. Exposure below 10 °C produces dark water-soaked patches that rot within days; the thin leaves are more cold-sensitive than heavier-leaved aroids like Monstera.

Balanced liquid feed monthly in spring and summer, at half strength.

A balanced NPK (3-1-2 or 20-20-20) at half the label rate, applied to already-moist soil, is ample. Variegated cultivars benefit slightly from a feed higher in micronutrients — yellowing-not-just-variegation on new leaves can signal a magnesium deficiency corrected by Epsom salts (1 tbsp in 4 L water, once).

Seasonal: Skip feeding from late October through February.

Pinch or cut vines just above a node to bush up the plant and keep it full.

Philodendron 'Brasil' tends to go leggy as vines lengthen, with fewer leaves per metre. Snip vines back by a third each spring, just above a node; new branches emerge from the cut node within 2–4 weeks. Use the cuttings for propagation. Prune off all-green reversions on 'Brasil' back to the last variegated leaf, or the plain-green shoots will out-compete the variegation.

Every 2 years, or when roots circle the pot bottom.

Move up by one pot size. Philodendron hederaceum tolerates root-bound conditions well and does not require urgent repotting. Spring is the best time.

Sap contains insoluble calcium oxalate raphides. Contact irritates skin in some people; ingestion causes intense oral burning, drooling, and mouth swelling. Rarely dangerous but genuinely painful.

Mechanism: Insoluble calcium oxalate raphides (needle-shaped crystals) and proteolytic enzymes.

Oral irritation, intense burning of mouth, drooling, vomiting, and difficulty swallowing. Rarely life-threatening, but consistently listed among the most common cat-poisoning houseplant calls to animal helplines.

Oral irritation, drooling, vomiting, and difficulty swallowing. Same mechanism as in cats.