OnMySill

Scarlet Star / Guzmania

Guzmania lingulata

description

Scarlet Star is a tropical bromeliad valued for glossy foliage and vivid star-shaped bracts.

benefits

  • Pet-friendly, non-toxic to animals
  • Suitable for containers

How to care for Scarlet Star

sunlight

In tropical forests, Scarlet Star grows beneath the canopy in filtered light. Give it a bright spot indoors, protected from harsh sun.

Bright indirect light

Place near an east window, or a few feet back from a bright south or west window with a sheer curtain. Direct midday sun can scorch the glossy leaves and fade the bracts. It can tolerate medium indirect light, but may grow more slowly and color less strongly.

If you can see a sharp patch of sun on its leaves for hours, move it back or filter the light.

watering

Keep the central cup lightly filled with clean water, but keep the potting mix only lightly moist, never wet.

Spring and summer

Refresh the cup about weekly and water the mix roughly every 7-10 days, when the top 1 inch feels dry. Let excess water drain freely.

Autumn and winter

Refresh the cup every 1-2 weeks and water the mix about every 2-3 weeks, only when it is mostly dry and the pot feels light. Cooler, dimmer conditions slow drying.

Use rainwater, filtered water, or water that has stood overnight when possible, and empty then refill the cup so it does not become stale.

These are starting points: brighter, warmer, drier rooms and small pots dry faster, while dense mixes, larger pots, and low light stay wet longer.

Constantly wet potting mix can rot the roots, even if the central cup needs water.

humidity

Acceptable at home

40-60%

Scarlet Star is an epiphytic bromeliad from humid tropical forests, so it appreciates more moisture in the air than many houseplants. Average household humidity is usually fine if it is not sitting near heating or air-conditioning vents.

Preferred humidity

50-70%

Dry air can cause brown, crisp leaf tips or bract edges, especially in a warm room. Raise humidity if new damage appears while the potting mix is being watered appropriately.

A small humidifier nearby is more effective than frequent misting.
  • Group it with other plants to create a slightly more humid pocket of air.
  • Keep it away from radiators, heaters, and strong drafts.
  • Use a pebble tray with water for a modest boost, keeping the pot above the water level.

temperature

Preferred range

18-27°C (65-80°F)

Winter minimum

16°C (60°F)

Scarlet Star comes from warm tropical forests, so it is happiest in steady indoor warmth. Normal room temperatures suit it well, but growth slows in cool conditions and prolonged cold can damage the leaves.

Keep it away from chilly window glass and check temperatures near the plant at night, when sills can be much cooler than the room.
Protect it from cold drafts, air conditioning, and sudden temperature drops below 16°C (60°F).

nutrition

March - August

Feed about once a month while the plant is actively growing, using a balanced liquid houseplant fertilizer diluted to one-quarter to one-half strength. Apply it to the potting mix after watering, or mist a very dilute solution onto the leaves. Do not feed in winter or when growth has paused.

Nitrogen

Nitrogen supports the glossy green leaves. A lightly diluted, balanced fertilizer provides enough without pushing soft, weak growth.

Flush the potting mix with plain water every few months to prevent fertilizer salts from building up around the roots.

soil

Airy, chunky, quick-draining mix

Scarlet Star has small epiphytic roots that need air as much as moisture. Use an orchid-style mix of fine bark, coco coir or peat-free potting mix, and perlite rather than dense ordinary soil.

pH 5,5 - 6,5

This is mildly acidic, similar to the organic debris bromeliads grow in. Most orchid or indoor plant mixes fall close to this range; avoid adding lime or using strongly alkaline garden soil.

Choose a pot with drainage holes and keep the mix lightly moist, never heavy and soggy.