Category: Planters & Pots

Bringing Tender Container Plants Indoors Before the First Frost

There’s always one morning in September when I step outside with my coffee and the air has that particular bite to it — not cold exactly, but a warning. That’s the morning I start walking the garden with a notebook, working out which pots are living on borrowed time.

Not everything in a cottage garden needs rescuing before the cold comes. Hardy perennials in the borders can simply be left to die back and do their thing. But the pots — especially anything tender that spent the summer looking glorious on the patio — are a different story. Pelargoniums, fuchsias, tender salvias, agapanthus, even a favourite fig in a terracotta pot: these are the plants that came from warmer places, or were bred from plants that did, and a hard frost can undo an entire summer’s growth in one night.

Know your date, not just your thermometer

The trap most of us fall into is waiting for a frost warning and then scrambling. By then you’re moving plants in the dark with cold fingers, and something always gets left behind. Instead, work backwards from your area’s average first frost date — for most of the UK and much of continental Europe, that’s somewhere between late September and mid-October, but it varies enormously by region and even by garden (a sheltered courtyard will lag weeks behind an exposed hillside plot). Whatever your date is, start moving tender plants in the two weeks before it, not the night of.

Which plants actually need to come in

Not every container needs the same treatment. I sort mine into three groups:

Full rescue, indoors for the winter — pelargoniums, fuchsias, tender salvias, citrus, and anything you paid dearly for at a specialist nursery. These want a cool, bright spot: an unheated porch, a greenhouse, or a windowsill in a room that doesn’t get too warm. Too much heat indoors is often more damaging than a light frost outdoors, because it forces soft, weak growth that then rots.

Cut back and store dormant — dahlias, cannas, and other tender bulbs and tubers can be lifted once the foliage has blackened with the first light frost, dried off, and stored in barely damp compost somewhere frost-free and dark. This isn’t a September job so much as an October one, but it’s worth deciding now where they’ll spend the winter.

Leave out, but protect — many tender plants are hardier than their reputation. A well-established fig in a large pot, for instance, often just needs its container wrapped in fleece or hessian and moved against a sheltered wall, rather than hauled indoors entirely.

The move itself

Before anything comes inside, give it a proper check — tip the pot slightly and look for slugs, snails and vine weevil grubs hiding in the compost, and give the foliage a gentle shake or a lukewarm hose-down to dislodge anything hitching a ride. Nothing ruins a windowsill faster than bringing the whole garden’s pest population indoors with the plant.

Trim back any leggy growth by about a third — it reduces the leaf area the plant has to support just as light levels are dropping, and it means less mess if anything does react badly to the move. Water sparingly once indoors; a plant that’s just been repotted mentally (if not literally) needs far less water than it did outside in full sun.

A note on pots themselves

If you’re consolidating several summer containers into fewer pots for winter, this is also the moment to check your terracotta for hairline cracks — a pot that survives summer perfectly well can fail once frozen, as damp compost expands inside it. A sturdy, well-made pot is worth the investment precisely for moments like this; ours are in the Planters & Pots picks if you need a reliable one before the cold sets in.

By the time the first proper frost silvers the lawn, my patio always looks a little bare — but the porch and greenhouse are crowded with everything that mattered, quietly waiting out the winter for next year’s summer border. It’s not a glamorous job, but it’s one of those small, practical rituals that makes the whole garden feel cared for.

Repotting Houseplants Before Autumn: A Cosy Cottage Ritual for the Season’s Turn

There’s a particular Sunday I have every year, somewhere in the last stretch of August, when I bring every houseplant on the windowsill down onto the kitchen table and just look at them. Not water them, not move them to a sunnier spot — just look, properly, the way you’d check on an old friend after a long summer. It’s usually then that I notice the geranium that’s stopped flowering, the herb pot with roots pushing out of the drainage hole, the fern that’s gone from lush to merely surviving. August is when a summer of steady growth catches up with a pot that was never quite big enough, and the plant starts quietly asking for more room before the low light of autumn arrives.

Repotting before autumn matters more than most people think. Once the days shorten and growth slows, a plant in a cramped pot goes into winter already stressed, with no reserve of fresh soil or root space to draw on. Do the work now, while there’s still warmth and light to help the roots settle, and you give every houseplant its best possible start on the darker months ahead.

The signs a pot has become too small

A few tells are easy to miss if you’re not looking for them. Roots circling the surface of the soil or emerging from the drainage hole are the clearest sign. So is a plant that needs watering far more often than it used to — a solid mass of roots leaves little actual soil to hold moisture. Slowed or stalled growth, despite a full season of decent light, is another quiet signal. And if you lift the plant and the rootball holds its shape perfectly, dense and pale and tangled, with barely any soil visible at all, it’s well past time.

Choosing the right size — and the right material

The instinct is to go big, but a pot only two to three centimetres wider in diameter than the current one is usually the right move. Too much extra soil around a smaller rootball holds water the roots can’t use, and that’s a fast route to rot. Terracotta is worth the small extra cost over plastic for anything that dislikes sitting wet — it’s porous, so it lets excess moisture evaporate through the walls rather than pooling at the base, which suits Mediterranean herbs and most houseplants beautifully. For thirstier plants like ferns, a glazed ceramic pot that holds moisture a little longer can be the better fit.

The repotting itself

Water the plant an hour or so beforehand — a well-hydrated rootball slides out far more easily and suffers less disturbance. Turn the pot on its side and ease the plant out by the base of the stems, never by pulling on the foliage. Gently loosen the outer roots with your fingers if they’ve become tightly wound; a light tease encourages them to grow outward into the new soil rather than continuing to circle. Add a layer of fresh potting mix to the base of the new pot, position the plant so the soil line sits roughly where it did before, then fill in around the sides, firming gently as you go. Water well and let it drain fully before returning the plant to its usual spot, ideally out of harsh direct sun for a week while the roots settle back in.

Bringing a little more of the garden indoors

This is also the moment I like to add one or two new pieces — a small terracotta pot for a rosemary cutting from the garden, or a slightly larger one to finally give a rootbound fern the space it’s been asking for. I keep coming back to the same terracotta, the kind that ages into that soft, chalky patina over a few seasons rather than staying stiff and new-looking forever. I’ve put together my favourites, in the sizes that actually get used, on the Planters & Pots shelf of my English Cottage Living shop, if you’re due a pot upgrade of your own this weekend.

An hour at the kitchen table, a bag of fresh compost, a few pots the right size — it’s a small ritual, but it’s one of those small acts of care that a home quietly thanks you for all winter long.

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Reviving Tired Summer Containers: A Late-Summer Refresh for Your Cottage Pots

The good news is that a container in late summer isn’t finished — it’s just tired. With the right refresh, most pots have a genuine second act left in them, often lasting right through to the first frosts. Here’s how I bring mine back.

Start with the cut. Before anything else, get the secateurs out and deadhead hard. Don’t be shy about it — cutting spent flower spikes right back to a healthy leaf node, not just snipping the dead bloom off the top, tells the plant to stop putting energy into seed and start putting it into new growth. For anything really straggly (trailing petunias, lobelia, bacopa), I’ll cut back by a third. It looks brutal for about five days. Then it isn’t.

Feed like you mean it. By August, most container compost has nothing left to give — six or eight weeks of watering will have washed most of the nutrients straight through the drainage holes. A liquid tomato feed (yes, even on flowers) is high in potash, which is exactly what pushes out new blooms rather than leaves. I feed weekly for the rest of the season once I’ve done the big deadhead.

Check what’s actually happening at root level. Pull a container gently by the base of the plant — if it lifts with almost no resistance and the compost looks pale and dry all the way through, it’s likely gone root-bound or bone dry at the core, which no amount of surface watering fixes. This is the point where I top up with fresh compost around the edges, or, for anything really struggling, pot on entirely into something one size up.

Swap out anything past saving. Not everything survives to September, and that’s fine. Rather than a straight replacement, I like to underplant with something built for the shoulder season — violas, dwarf asters or trailing ivy all settle in beautifully alongside whatever’s still flowering, and they’ll carry the display once the summer stars fade.

Give the pot itself some attention too. A late-summer refresh is also the moment to check the container isn’t the actual problem. Terracotta in particular can develop a white mineral crust or crack at the rim after a full season outdoors — worth a quick check before you reinvest in new plants. If a pot’s on its way out, better to know now than to lose a good plant to a broken one in October.

The satisfying part of all this is how little it actually costs. A cut, a feed and a bit of honesty about what’s salvageable will get most containers looking full again within two to three weeks — right in time to enjoy them properly before the light starts to change. I keep a small set of good terracotta on hand for exactly this kind of rescue and reshuffle; if you’re building out your own collection, I’ve gathered my favourites in the Planters & Pots section of my Amazon page.

Either way, don’t give up on August containers. They’re not finished — they’re just waiting to be asked properly.

Taking Cuttings: The Cottage Gardener’s Free Way to Multiply Your Favourite Plants

There’s a particular kind of magic in growing something from nothing more than a snipped stem. Late July into August is one of the best windows of the whole gardening year for taking semi-ripe cuttings — that in-between stage when a shoot has started to firm up at the base but is still soft and flexible at the tip. Get it right, and by next spring you’ll have free plants: the exact lavender, rosemary, pelargonium or penstemon you already love, multiplied for nothing but a bit of patience.

It’s one of those cottage garden habits that feels almost old-fashioned, and that’s exactly the appeal. No seed catalogues, no trips to the garden centre — just your own border, a sharp pair of snips, and a windowsill.

What to take cuttings from now

Semi-ripe cuttings work best on woody or semi-woody plants: lavender, rosemary, sage, thyme, pelargoniums, penstemons, hydrangeas and many flowering shrubs are all excellent candidates in late summer. Look for a healthy, non-flowering shoot from this year’s growth — firm enough to snap slightly when bent, not floppy and soft, but not yet fully woody and stiff either.

Early morning is the best time to take cuttings, while the plant is still full of moisture from the cool of the night. A stem that’s wilted in the afternoon sun will struggle to root.

Taking the cutting

Snip a length of about 10–15cm just below a leaf joint, using clean, sharp secateurs or snips to avoid crushing the stem. Strip the leaves from the bottom third to half of the cutting, leaving just a few leaves at the tip. If the remaining leaves are large, cutting them in half reduces moisture loss while the cutting has no roots to draw water back up.

For plants like lavender and rosemary, a small “heel” — a sliver of the older, woodier stem it was attached to — can improve rooting, though it isn’t essential for most cottage garden favourites.

Potting up

Fill small pots with a free-draining mix — a standard peat-free compost cut roughly half and half with horticultural grit or perlite works well, since soggy compost is the most common reason cuttings fail. Make a hole with a dibber or pencil, insert the cutting so at least one leaf joint is below the surface, and firm the compost gently around it. Several cuttings can share one small pot around the edges, where drainage tends to be best.

Water well once, then keep the compost just barely moist rather than wet from that point on. A clear plastic bag loosely tented over the pot (held clear of the leaves with a stick or two) creates a mini greenhouse effect that keeps humidity up while the cutting has no roots of its own to take up water.

Where to keep them

A bright windowsill out of direct, scorching sun is ideal, or a shaded spot in a greenhouse or cold frame if you have one. What cuttings don’t want is full, blazing midday sun, which will dry them out long before roots have formed.

Signs of success — and patience

Resist the urge to tug on a cutting to check for roots. Instead, watch for new growth at the tip, a sign the cutting has taken and is drawing up water on its own. This can take anywhere from three to eight weeks depending on the plant. Once you see resistance when you gently tug (a good sign roots have formed, rather than a test to destruction) or new leaves emerging, it’s ready to pot on into a slightly larger container of its own.

A border that costs nothing to fill

By next spring, this year’s cuttings will be sturdy young plants ready to go into the garden — the same lavender hedge, the same rosemary you already love, quietly multiplied. It’s one of the most satisfying, lowest-cost ways to fill out a new border, fill gaps in an old one, or simply have a spare to share.

If you’d like a head start while your cuttings are rooting, I keep a running list of the small terracotta pots I use for potting on cuttings and young plants over in the Planters & Pots section of my favourites page. They’re the right size for exactly this job, and look lovely lined up on a windowsill while you wait.