Citrus trifoliata | Poncirus trifoliata Plants - Outdoor GROW TROPICALS
Citrus trifoliata | Poncirus trifoliata — 23cm / 5L23cm / 5L
Citrus trifoliata | Poncirus trifoliata Plants - Outdoor GROW TROPICALS
Hardy orange

Citrus trifoliata | Poncirus trifoliata

£35.99
Very hardySun-lovingLoved by pollinators
Pot size
23cm / 5L £35.99

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Description

The hardy orange. Citrus trifoliata, still widely sold as Poncirus trifoliata, is the tough, cold-hardy cousin of the citrus family. It is a deciduous, thorny shrub with bright green stems and long, rigid spines. In spring it carries fragrant white flowers like orange blossom, and by autumn these give way to small, downy orange fruits that scent the air but are far too bitter and pippy to eat.

Hardiness and seasons. Unlike a true citrus, this one is genuinely hardy and takes hard UK winters in its stride. It leafs up in spring, flowers as the trifoliate leaves expand, then turns buttery yellow before dropping in autumn to reveal its green, thorny framework for winter. The little orange fruits often hang on after the leaves fall, which is part of the charm.

How and where to grow. Grow it in full sun in any reasonable, well-drained soil, chalk included. It is happy in open ground or a large container, and it stands clipping well, so you can train it as a fierce, impenetrable hedge or leave it loose as a specimen. Water new plants through their first summer while they root out, after which it asks for very little.

Living with it. The thorns are the thing to plan around. They make it a superb intruder-proof boundary but a poor neighbour for a busy path or a doorway. Prune after flowering if you want to shape it, and wear stout gloves and long sleeves when you do. Bees work the blossom, so a plant in flower is rarely quiet.

Live Arrival Guarantee

All plants are covered by our 7-day live arrival guarantee. We pack every order in protective, sustainable packaging designed to keep your plants safe in transit, and every plant is checked before it ships. On the rare occasion something is not right on arrival, we will make it good, provided the plant is still in its original nursery pot.

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What to Expect

Seasonal by nature: what to expect

  • Grown outdoors, the way nature intended. Weather-tested and hardened in real UK conditions, so they thrive in your garden. A few marks on the older leaves are normal, the sign of a tough, real plant rather than a flaw.
  • It follows the seasons. Depending on when you order, your plant may arrive cut back, dormant or leafless. That's healthy: dormancy is the ideal time to plant.
  • Posted, not posed. Big leafy plants like bananas and gingers may be trimmed or gently folded to travel safely. It does the plant no harm, and it powers away again in spring.

Not sure what to expect from yours? Dormant, cut-back or weather-marked plants are all perfectly healthy and normal. Read what to expect through the seasons

Delivery & returns

Order by 1pm Monday to Friday for same day dispatch. Every plant travels in protective, plant-safe packaging with tracked delivery.

Changed your mind? See our Return Policy.

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How to care for Hardy orange

Plant me in full sun and the coldest UK winters do not worry me.

In their words

What our customers say

Arrived just like the photos - maybe even fuller. Healthy, well-acclimated, and straight into my collection with no issues.

Emily P.

Flawless leaves, stunning variegation, and clearly cared for by experts. It’s already a talking point in my home office.

James R.

Hard to find rare plants that are pet-safe. Ours arrived in perfect condition and looks amazing without any worry.

Sophie L.
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About Hardy orange

Citrus trifoliata | Poncirus trifoliata needs full sun or partial shade and well-drained soil. It is very hardy, standing the coldest UK winters outdoors.

Good for

Exotic Borders Pots & Containers Screening & Privacy Wildlife & Pollinators

Hardiness

TenderVery hardy

Hardy Exotic (H6): down to around −20°C. Hardy through a very cold winter.

Fully hardy across the UK, around H6. No winter protection needed once established. Read moreShow less

Fully hardy across the UK, around H6. No winter protection needed once established.

Position

Full sunPartial shadeSouth-facingWest-facingSheltered
Full sun for the best flowering and fruit, though it tolerates a little light shade. Read moreShow less

Full sun for the best flowering and fruit, though it tolerates a little light shade.

Soil

ChalkLoamSandWell-drainedAcid pHAlkaline pHNeutral pH
Any reasonable, well-drained soil, including chalk. Not fussy about soil type. Read moreShow less

Any reasonable, well-drained soil, including chalk. Not fussy about soil type.

Watering

Water regularly through the first summer after planting. Once rooted in it is largely self-reliant. Read moreShow less

Water regularly through the first summer after planting. Once rooted in it is largely self-reliant.

Mature size

Height2.5 to 4m
Spread1.5 to 2.5m

Reaches full size in 10 to 20 years

Growth habit

Bushy

Flowering

Spring to early summer · White

Seasonal colour

Foliage

Deciduous

Pruning

Prune after flowering only if you need to shape it or keep a hedge in check. Wear thick gloves and long sleeves for the thorns.

Toxicity

Low toxicity, but the orange fruit is intensely bitter and full of seeds and is not for eating. The stems carry long, stiff thorns, so handle with care.

Native range

Northern and central China, long cultivated in Korea and Japan

Family

Rutaceae

Also known as

Citrus trifoliata | Poncirus trifoliata

Genus

Citrus
Good to know

Frequently Asked Questions

Can you eat the fruit?

Not really. The small orange fruits are edible in the sense that they are not poisonous, but they are so bitter, dry and full of pips that they are valued for looks and scent rather than the plate. Some people use the peel or juice sparingly in cooking, but most gardeners simply enjoy them on the plant.

Is it actually hardy outdoors in Britain?

Yes. Despite being a citrus relative, it is fully hardy and copes with cold UK winters in the open ground. It drops its leaves in autumn, which is normal, and comes back into growth in spring.

Does it make a good security hedge?

It does. The long, rigid thorns and dense growth make an effective barrier, and it takes clipping well. Just site it away from paths, play areas and anywhere you brush past regularly.

Is it good for wildlife?

The fragrant spring flowers are popular with bees and other pollinators, and the thorny structure gives small birds safe cover to nest and shelter in.

What is the difference between Citrus trifoliata and Poncirus trifoliata?

They are the same plant. Poncirus trifoliata is the older name and Citrus trifoliata is the currently accepted one, so you will see both on labels.

Does my plant come with a pot?
Your plant will arrive in its nursery grow pot — the plastic pot it's been growing in. We don't include a decorative pot as standard, and there's a good reason for that: it means you get to choose one that fits your space and style, rather than being stuck with something that doesn't suit your home.

It also means you're not paying extra for a pot you might not want. The nursery pot is perfectly fine to keep your plant in for a while, just pop it inside a decorative cover pot or cache pot and you're good to go. When you're ready to repot (usually after a growing season or when roots start poking out the bottom), you can move it into something more permanent with fresh soil.

If you're not sure what size cover pot to go for, check the pot selector tool listed above, you'll want a decorative pot that's a centimetre or two wider than that to give it a comfortable fit.
How big will my plant be when it arrives?
Every plant on our site includes the pot size (e.g. 12cm) and, where possible, an approximate height. That's the most reliable way to set your expectations, photos can sometimes make a plant look larger or smaller than it really is.

If you're thinking "that sounds quite small for the price," here's something worth knowing: younger, smaller plants almost always adapt better to your home than larger ones. They adjust faster to your light and humidity, put out new growth more quickly, and tend to establish stronger root systems long-term. A plant that grows into your space will usually outperform one that was already big when it arrived.

That said, every plant is an individual. The one you receive may vary slightly in height, shape, or fullness compared to the photo, that's the nature of living things, not a quality issue. We select healthy, well-established specimens, and if you ever feel your plant doesn't match what you were expecting, just get in touch and we'll take a look.
What makes your plants different from the supermarket or garden centre?
There's a big difference between a plant that's been sitting under on a retail shelf and one that's been looked after and cared for by people who specialise in exactly this.

Our plants are grown in house or sourced from specialist nurseries, many of them varieties you simply won't find at your local garden centre or supermarket. Before anything leaves us, it's checked over by our horticultural team to make sure it's healthy, well-rooted, and ready to thrive in your home. We're not shifting volume off a pallet, we're choosing plants we'd want to keep ourselves.

When you buy from a supermarket, you get a plant and a generic care label. When you buy from us, you get the knowledge that comes with it, detailed care guidance, a team you can actually contact if something isn't going right, and the confidence that what's arriving has been looked after properly from the moment it was grown to the moment it reaches your door.

We're a specialist nursery first, not a retailer that happens to sell plants. That's the difference, and you'll see it the moment you open the box.
What should I do when my plant arrives?
First things first, unbox it as soon as you can. Plants don't love being in dark boxes any more than you would, and the sooner yours is out and breathing, the better.

Remove all the packaging carefully, give the soil a check with your finger, and water lightly if it feels dry. Then find it a spot with appropriate light, but avoid putting it straight into harsh direct sun or next to a radiator. Think of it like arriving somewhere new after a long journey: it needs a moment to adjust.

It's completely normal for your plant to look a little tired or droopy after transit. This is called transit stress, and most plants bounce back within a week or two. You might see a yellow leaf or some drooping, don't panic, and resist the urge to overwater or start repotting straight away.

Our advice for the first couple of weeks: leave it in its nursery pot, water it only when the top layer of soil feels dry, and let it acclimatise to your home's light, temperature, and humidity. Once it's settled in and showing signs of new growth, you can think about repotting or moving it to its permanent spot.

Every plant we sell comes with a care guide on the product page so you'll know exactly what it needs going forward. And if anything doesn't look right, get in touch with our team, we're always happy to help.
Will my plant survive being shipped?
Yes! and we go to serious lengths to make sure of it. Every plant is hand-packed by our team with protective wrapping and secure, custom-designed boxes to keep it stable and safe in transit. We've shipped hundreds of thousands of plants across the UK and our packaging methods have been refined over years to handle the bumps and jolts of delivery.

During colder months, we monitor weather forecasts and offer heat packs where needed to protect against frost. In extreme conditions, we may hold your order for a day or two rather than risk sending it out, we'd rather you wait an extra day than receive a stressed plant.

That said, plants are living things, and the occasional transit wobble can happen. If your plant arrives damaged or isn't in the condition you'd expect, just get in touch within 48 hours with a photo, and we'll make it right, whether that's a replacement or a full refund. No fuss.

The short version: we treat every box like it's going to someone who really cares about what's inside, because it is.
Why Grow Tropicals

Plants delivered the way they deserve

Packaged with Care

Packaged with Care

Every order is hand-packed in eco-friendly, protective packaging - refined through thousands of deliveries to ensure your plant arrives healthy, hydrated, and looking its best.

Backed by our Live Arrival Guarantee.

Perfect for Gifting

Perfect for Gifting

From rare collector’s pieces to easy-care favourites, our plants arrive fully potted and ready to enjoy. Add a personalised note at checkout for a thoughtful finishing touch.

Delivered fresh, beautiful, and gift-ready.

Sustainability at Heart

Sustainability at Heart

All plants are ethically sourced from trusted growers, never wild-collected. Every order ships carbon-neutral in minimal-waste packaging.

Good for your home - and the planet.

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Citrus trifoliata | Poncirus trifoliata
£35.99