What's the difference between perlite and pumice for houseplants?

Perlite is lighter and cheaper. Pumice holds more water and stays put. Here is how each behaves in a pot and which plants benefit from each.

Should I water houseplants with cold or warm water?

Tepid water at 18 to 22C suits houseplants best. Cold tap water shocks tropical roots in winter; the simple fix is to fill a watering can the night before.

Can I plant multiple houseplants in one pot?

You can plant multiple houseplants in one pot, but the success rate depends entirely on whether the plants you choose have matching care needs. When It Works, and When It Does Not Combined pots work when: All plants need the same light level (all bright indirect, all low light). All plants want...

Why is my houseplant dripping water from its leaves?

Water dripping from leaf tips is usually guttation, a normal sign that roots are pumping. Here is when to ignore it and when it points to overwatering.

Can I move my houseplants outside in summer in the UK?

Yes, but the gain is smaller than you think and the risks are real. Most tropical houseplants grow well outdoors in a UK summer if you acclimatise them slowly.

Why do my houseplant have white powder on the leaves?

White powder on houseplant leaves is powdery mildew: a fungal problem that thrives in poor airflow and warm, dry conditions. Here is how to treat and prevent it.

How long can a houseplant survive without water?

It depends entirely on the plant. A fern is in trouble after a long weekend. A snake plant can sit dry for two months. The honest range across most houseplants is 7 to 21 days.

Why does my houseplant have holes in its leaves?

Holes in houseplant leaves usually point to one of three culprits: pests, physical damage, or natural fenestration on plants like Monstera. Here is how to tell which.

Can I use distilled water for houseplants?

Distilled water is safe for every houseplant and the right choice for fluoride-sensitive species. Here is when to use it and when tap water is fine.

What's the difference between a cactus and a succulent?

All cacti are succulents, but not all succulents are cacti. Here is the practical difference between the two and what it means for watering, light, and soil.

What is this powdery mildew on my houseplants?

Powdery mildew on houseplants looks like a dusting of flour on the leaves. It is fungal, common in still UK rooms, and very treatable if you act early.

Why are my houseplant leaves wrinkling?

Wrinkled houseplant leaves usually mean dehydration or root rot. Here is how to tell which, and how to fix it before the plant loses leaves.

Should I fertilise my houseplants right after repotting?

Should you fertilise after repotting? No. Fresh compost has nutrients and roots are stressed. Wait 4-6 weeks. What to do instead.

How do I encourage bigger leaves on my houseplants?

How to encourage bigger leaves on houseplants, more light, vertical support for climbing aroids, consistent feeding and watering, and correct pot size. Why Monsteras don't develop fenestrations without climbing.

When is the best time to repot my houseplant?

The best time to repot a houseplant is spring (March-May) when active growth supports rapid recovery. Signs that justify repotting any time, how to choose compost, and care after repotting.

Can I Reuse Old Potting Soil for Houseplants?

Old potting compost can be reused with amendments but should not go directly into new pots without assessment. What changes in old compost, when to reuse, and when to discard.

Will my variegated houseplant grow slower than a green version?

Variegated plants grow slower because white or cream areas lack chlorophyll and cannot photosynthesise. How much slower, how to support growth, and how to manage reversion to green.

Why is my houseplant not growing?

Why a houseplant stops growing, winter dormancy (normal), insufficient light, being rootbound, nutrient deficiency, or root rot damage. How to diagnose and address each cause.

What are aerial roots and what should I do with them?

Aerial roots on Monstera, Philodendron, and Pothos are normal and healthy. Here is what they are, why your plant produces them, and what to do with them.

Why is my houseplant not flowering?

Most houseplants stop flowering for one of five reasons: poor light, the wrong fertiliser, a missed seasonal cue, recent stress, or age. Here is how to diagnose and fix each one.

What is the difference between perlite and vermiculite for houseplants?

Perlite and vermiculite both improve houseplant compost, but they do different things. Here is a clear guide to when to use each one.

Can I grow houseplants from seed?

Some houseplants grow well from seed; many do not. This guide covers which are worth attempting, what the process involves, and when cuttings or division are the better choice.

How do I prune a leggy houseplant?

How to prune a leggy houseplant without killing it: cut above a node, how far back to cut, when to prune for fastest recovery, and care after pruning.

How long does propagation take for common houseplants?

How long propagation takes for common houseplants: Pothos 2-4 weeks, Monstera 4-8 weeks, Hoya 4-10 weeks. What speeds up rooting and signs that propagation is failing.

Can I use coffee grounds on my houseplants?

Can you use coffee grounds for houseplants? Limited benefits and real risks. Which plants may benefit, why surface application is problematic, and better alternatives.

What's the best potting mix for cacti and succulents?

Best potting mix for cacti and succulents: fast-draining compost with 40-50% perlite or grit, terracotta pots, right sizing, and when to refresh.

How do I water an orchid?

How to water an orchid correctly: how often, the right method, reading root colour, aerial roots, and signs of overwatering vs. underwatering.

How do I increase humidity for my houseplants?

A humidifier is the most effective way to raise humidity for houseplants, but grouping plants and pebble trays help too. Here is what actually works and what to skip.

Why are my succulent leaves going soft?

Soft succulent leaves mean overwatering or underwatering. Mushy and translucent points to too much water; shrivelled and wrinkled means too little. Here is how to tell the difference and fix it.

How do I choose the right pot size for my houseplant?

Match the pot to the root ball, not the foliage. Go up 2 to 3 cm when repotting, and always ensure drainage holes. Here is how to get it right.

How do I revive a dried-out houseplant?

How to revive a completely dried out houseplant: check for life, bottom water the compost, remove dead growth, and when to repot for the best chance of recovery.

Can I use outdoor soil for my indoor plants?

Can you use outdoor soil for houseplants? No. It compacts, drains poorly, and introduces pests. What to use instead for tropical houseplants.

What’s the best way to tell if a plant needs water?

The best way to tell if a houseplant needs water is the finger test — push 3-5cm into the compost. Learn pot lifting, moisture meters, and visual plant cues for different species.

What happens if I over-fertilise my houseplants?

Yes, you can over-fertilise houseplants. Salt build-up burns roots and causes leaf damage. How to fix it and how to fertilise correctly.

Why are my houseplant leaves crispy?

Why houseplant leaves go crispy, low humidity causes tip browning, underwatering causes whole-leaf crispiness, and sun scorch causes bleached patches. How to identify and fix each.

Should I prune my houseplants for fuller growth?

Pruning many houseplants encourages bushier growth by activating lateral buds. Which plants respond well, when to prune, how to cut above a node, and which plants do not branch when pruned.

Why are my plant cuttings rotting in water?

Cuttings rot in water because of bacterial growth from stagnant water, submerged leaves, or diseased tissue. How to prevent rot with regular water changes, and when to switch to sphagnum moss.

Can I propagate houseplants directly in soil?

How to propagate houseplants directly in soil: which plants work well, the right free-draining mix, the propagation process step-by-step, and how to test for rooting.

How do I propagate a Pothos in water?

How to propagate a Pothos in water — taking the right cutting, water management, when to pot up, and troubleshooting slow rooting. One of the easiest houseplant propagation methods available.

What is a node and why does it matter for propagation?

A node is the point on a stem where leaves, aerial roots, and new growth emerge. Why nodes are essential for propagation, how to identify them, and how many a cutting needs.

Should I throw away infected houseplants?

Most pest infestations can be treated and plants should not be discarded without attempting treatment. When disposal is warranted: viral disease, severe root rot, or persistent treatment failure.

Why do I keep getting pests on my houseplants, even after treating them?

Repeated pest outbreaks can be frustrating, especially when it seems like treatments are not working. In most cases, the issue is not the treatment itself but how pest life cycles work indoors. Many common houseplant pests, including thrips, spider mites, and fungus gnats, reproduce quickly and l...

Should I quarantine new houseplants?

Quarantining new houseplants for 2-4 weeks before placing them near your collection prevents pest introduction. What to look for, how long to quarantine, and whether to repot during quarantine.

How do I get rid of scale insects on houseplants?

How to get rid of scale insects: manual removal with rubbing alcohol, repeated neem oil or insecticidal soap sprays targeting the crawler stage, and systemic insecticide for persistent infestations.

What does thrips damage look like on houseplants?

Thrips damage appears as silvery streaks, bronze patches, and dark frass specks on leaves. How to identify thrips, distinguish from spider mites, and treat with neem oil or spinosad over 4-6 weeks.

How do I get rid of spider mites on houseplants?

How to get rid of spider mites on houseplants — isolate the plant, wash it down, treat with neem oil or insecticidal soap three to four times over two weeks, and improve room humidity to prevent recurrence.

How do you treat mealy bugs on houseplants?

How to get rid of mealybugs on houseplants: physical removal with alcohol, neem oil spray treatment, isolation, and when to repot.

How do I get rid of fungus gnats in potting soil?

How to get rid of fungus gnats in potting soil — let the compost dry between waterings, use yellow sticky traps, and treat with Bti biological drench. The adults are harmless; it's the larvae that need targeting.

What are the most common houseplant pests?

The most common houseplant pests in UK homes — fungus gnats, spider mites, mealybugs, scale insects, and thrips. How to identify each, what causes them, and how to treat effectively.

How do I know if my houseplant has pests?

Early pest signs include silvery stippling, sticky residue, white cottony deposits, and distorted new growth. How to inspect correctly, what each sign indicates, and which pests to check for.