One of our favourite pairings on the floor at the moment — Alocasia Jacklyn in a pink pot.
What Winter Actually Does To Your Indoor Plants
Most indoor plants aren't struggling in a Sydney winter, they're resting. Shorter days and cooler temperatures slow growth right down, which changes how much water and fertiliser a plant actually needs. Mistaking a resting plant for a dying one is the most common winter plant-care mistake we see in store. This guide covers what's genuinely different this time of year, plant by plant.
Succulents and Cacti: Why Less Water Is Correct Right Now
Cut watering back hard for succulents and cacti over winter. Most of what we stock, aloe, echeveria, jade plant, barrel cactus and others, needs watering monthly or less until the weather turns. These plants store water in their leaves and stems, so winter's slower growth means they're using far less of it. One plant does the opposite: aeonium actually grows through winter and rests in summer, so if yours looks more alive right now than it did a few months ago, that's correct too.
Monstera, Philodendron and Kentia Palms: Slower Is Normal
Winter is the one time of year to hold off on fertilising most indoor aroids and palms. Monstera, philodendron, alocasia and kentia palm are all growing slower on purpose right now, and feeding a plant that isn't actively growing doesn't speed anything up, it just sits unused in the soil. The bigger risk for this group isn't the cold itself, it's a cold draught from a window or an air-conditioning vent, which drops leaves faster than a stable, slightly cool room ever will.
The Overwatering Risk: Why Winter Soil Stays Wet Longer
Soil dries out far more slowly in winter, which makes overwatering the single biggest risk to indoor plants this time of year. Cooler temperatures and less light mean less evaporation, so a watering schedule that worked in summer will leave winter soil wet for days longer than expected. Check the top few centimetres of soil with a finger, or use a moisture meter, before you water on habit alone. Wet, cold soil sitting for too long is also exactly what root rot needs, so this is worth taking seriously rather than watering on the same weekly reminder you used in January.
Ferns: The Real Risk Is Your Heater, Not the Cold
Ferns cope with Sydney's winter temperatures better than most people expect, the real threat is dry air from indoor heating. Bird's nest fern, maidenhair fern and blue star fern all want somewhat less water than they did in summer, but none of them want to fully dry out. Maidenhair fern in particular struggles to bounce back once it's properly dried out, so keep it away from heater vents and check it more often than you'd think to.
Grow Lights: Giving Your Plants Back Their Lost Light
Sydney's winter days are genuinely shorter, and most indoor plants feel that light drop before you notice it yourself: slower growth, less colour in variegated leaves, a general stall. A grow light doesn't force anything unnatural, it simply gives a plant back some of the light it's missing this time of year. A few hours a day alongside whatever natural light the spot already gets is usually enough. We stock grow lights and bulbs in a range of fittings, come in and we'll help you match one to your space.
Winter-Flowering Natives: Grevillea, Philotheca and Boronia
Not everything in a Sydney garden slows down in winter, several natives are just getting started. Grevillea 'Gold Touch' flowers right through the cooler months, and philotheca 'Winter Rouge' fills the gap between autumn colour and spring bulbs. Red boronia is the one genuine exception to the winter feeding rule: since it's flowering rather than resting, a low-phosphorus native fertiliser in late winter genuinely supports it. Every other plant in this guide, that's the exception, not the rule.
This Week's Winter Checklist
- Check soil before watering, don't water on a fixed schedule
- Hold the fertiliser unless a plant is under a grow light or is a winter-flowering native
- Keep aroids and palms away from cold draughts and heater vents
- Use a moisture meter if you're unsure whether soil is actually dry
- Bring in a photo or a cutting if something looks genuinely unwell, not just resting
Come in and see us at 538 King Street if you want a hand working out what your plants actually need this month, or if you're after a grow light, moisture meter, or the right winter feed for something in bloom.
