Peperomia Frost

How to care for Peperomia Frost

Light

Peperomia caperata 'Frost' thrives in bright, indirect light. A position near an east- or north-facing window is ideal; direct summer sun can scorch the silvery leaves and cause the colour to fade. It tolerates lower light levels better than many houseplants, though growth will slow noticeably and the distinctive leaf texture may become less pronounced in deep shade.

Watering

Allow the top half of the compost to dry out before watering again. Peperomias store water in their fleshy leaves and stems and are far more tolerant of drought than of overwatering. Water thoroughly, allowing excess to drain freely, and never let the pot sit in standing water. Reduce watering frequency considerably during autumn and winter when growth slows.

Soil and potting

Use a light, free-draining compost. A 50:50 mix of peat-free multipurpose compost and perlite works well, as does a proprietary cactus and succulent compost blended with some multipurpose compost. Good aeration and drainage at the roots are essential; compacted or water-retentive soils will promote root rot.

Feeding

Feed once a month during spring and summer with a balanced, diluted liquid fertiliser at half the recommended strength. Avoid feeding during autumn and winter when the plant is not actively growing. Over-feeding can lead to salt build-up in the compost, which may damage roots and cause leaf tip browning.

Humidity and temperature

This cultivar prefers moderate humidity of around 40 to 60 per cent, though it is more tolerant of average household humidity than many tropical plants. Keep it away from cold draughts, radiators and air-conditioning units. It prefers temperatures between 16 and 26 C and should not be exposed to temperatures below 10 C, as it has no frost tolerance.

Repotting

Repot every two to three years, or when roots begin to emerge from the drainage holes. Choose a pot only one size larger, as peperomias prefer slightly snug root conditions and are prone to root rot in oversized containers. Spring is the best time to repot. Terracotta pots are advantageous as they help moisture evaporate more quickly, reducing overwatering risk.

Pruning

Minimal pruning is required. Remove any yellowed, damaged or dead leaves at the base by pinching them off cleanly. Spent flower spikes can be cut back once they have faded. Light tidying will encourage a neater rosette shape, but the plant does not require cutting back to promote bushy growth.

Is Peperomia Frost toxic?

Common problems

How to propagate

Leaf cuttings

Remove a healthy leaf with its petiole (leaf stalk) intact and insert the petiole into moist perlite or cactus compost. Keep in a warm position with indirect light and cover loosely with a clear plastic bag to retain humidity; small plantlets should appear at the base within four to eight weeks.

Stem tip cuttings

Take a stem cutting of three to five cm with at least two leaves, allow the cut end to callous for an hour, then place in moist compost or a glass of water. Roots typically develop within two to four weeks, after which water-rooted cuttings can be potted into compost.

Division

When repotting a mature plant, gently separate any offsets or sideshoots that have developed their own root system and pot each division individually into appropriately sized containers with fresh compost.

Where Peperomia Frost comes from

Native to Brazil.

Story and origins

The genus name Peperomia is derived from the Greek words 'peperi' (pepper) and 'homoios' (resembling), referring to the plant's close relation to the true pepper plant genus Piper. The species epithet caperata comes from the Latin 'caperatus', meaning wrinkled or corrugated, which is a direct reference to the deeply ridged, textured surface of the leaves. The cultivar name 'Frost' alludes to the pale, silvery-grey frosted appearance of the leaf surface, which resembles a light covering of frost.

Peperomia caperata was first described scientifically by the Brazilian botanist Yuncker in 1958, though the broader genus Peperomia had been known to Western science since the early eighteenth century. Brazil, where the species is native, hosts an extraordinary diversity of peperomia species, many of which were collected by European plant hunters during the nineteenth century. 'Frost' emerged as a named cultivar through the ornamental houseplant trade in the late twentieth century, selected for its striking silvery foliage, which distinguished it clearly from the standard green-leaved caperata types. It has since become one of the most commercially popular caperata cultivars in Europe and North America.

Varieties to know

Peperomia caperata 'Rosso'

Features dark green, deeply ridged leaves with a vivid red-purple underside; one of the most widely grown caperata cultivars.

Peperomia caperata 'Emerald Ripple'

The classic caperata cultivar with dark green, corrugated leaves and no silvery frosting; commonly used as a reference type for the species.

Peperomia caperata 'Burgundy Ripple'

Has deep burgundy-red foliage with pronounced ridging; offers stronger colour contrast than 'Frost'.

Peperomia caperata 'Schumi Red'

Compact cultivar with reddish stems and dark leaves with a slight iridescence; popular in European houseplant trade.

Fun facts

• Peperomias belong to one of the largest genera of flowering plants, with over 1,000 described species in the Piperaceae family.
• The fleshy, semi-succulent leaves of Peperomia caperata allow the plant to store water, which is why it tolerates drought far better than overwatering.
• The flower spikes of Peperomia caperata are thin, upright and mouse-tail-like in appearance; they are not considered ornamentally significant but are botanically unusual in lacking petals entirely.
• The silvery frosting on 'Frost' leaves is caused by microscopic air pockets in the upper leaf surface that scatter light, a structural feature rather than a pigment.
• Peperomia caperata is epiphytic in its natural habitat, often growing on bark, leaf litter or rocky surfaces rather than in deep soil, which explains its preference for very free-draining growing media.

Peperomia Frost FAQ