Punica granatum (Pomegranate) Plants - Outdoor GROW TROPICALS

15cm / 1.5L

Pomegranate

Punica granatum (Pomegranate)

Name: Punica granatum (Pomegranate)
Brand: GROW TROPICALS
SKU: PUNIGRAN15
Price: 13.99 GBP
Availability: InStock

£13.99 £16.99 SAVE 17%

Protect from hard frostSun-lovingLoved by pollinators

Pot size

15cm / 1.5L £13.99

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Description

The Punica granatum, better known as the pomegranate, is one of the most rewarding flowering shrubs you can grow for a hot, sunny corner. In the UK it earns its place not for a heavy crop of fruit but for its extraordinary orange-red, funnel-shaped flowers, which open right through summer against fresh, glossy foliage that flushes bronze in spring and turns butter-yellow before it falls. It brings a genuine touch of the Mediterranean to a sheltered border or a large pot on a sun-baked terrace.

It pays to be honest about the fruit. Pomegranates need a long, hot summer and warm autumn temperatures of around 13 to 16C to ripen, so across most of Britain the fruit rarely finishes outdoors. Grown for its flowers and its bold architecture, though, it is a star. Rated RHS H3, it is half hardy, so it is happiest in a mild, coastal or urban garden and reliably good against a warm south or west-facing wall. Elsewhere, give it the most sheltered sunny spot you have plus a little winter protection, or keep it potted so it can shelter through the coldest weeks. Our hardy exotics, what to expect guide explains how these plants behave through the seasons.

Water regularly through the first couple of summers to build a strong root system, after which it copes well with dry spells, and keep it much drier over winter. Because it is deciduous and flowers on the current season's growth, a light shaping prune in late winter keeps it tidy and brings on the new shoots that carry the blooms. It is a natural for a hot exotic border or grouped with other drought-tolerant plants, and its long flowering makes it a favourite with bees, so it sits happily among our plants for pollinators. Where space or winter cold is a concern, it is one of the best plants for pots and containers.

Whether you are hunting for a pomegranate tree for UK gardens or simply the best sun-loving shrub for a warm wall, this is a characterful choice from our wider range of hardy exotics. Every plant is nursery-grown, selected for a healthy shape and strong roots, and packed with care to arrive in top condition.

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 Pomegranate

Plant me in full sun and protect me when hard frost threatens.

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 Pomegranate

Punica granatum (Pomegranate) needs full sun and well-drained soil. It is half-hardy to around −5°C and needs protection from hard frost.

Good for

Dry & Gravel Gardens Exotic Borders Pots & Containers Wildlife & Pollinators

Hardiness

TenderVery hardy

RHS H3 · Semi-hardy · down to around −5°C

RHS H3, half hardy, so shelter it well and protect it from hard winter frost.

Position

Full sunSouth-facingWest-facingEast-facingSheltered

full sun, in the warmest, most sheltered spot, ideally against a south or west-facing wall.

Soil

ChalkLoamSandWell-drainedAcid pHAlkaline pHNeutral pH

any fertile, free-draining soil, from chalk to sand, across the full pH range, with sharp drainage the priority.

Watering

Water regularly through the first two summers to settle the roots in, then only during prolonged dry spells once established. Keep it much drier over winter. A balanced feed each month through the growing season keeps growth strong and flowering free. Read moreShow less

Water regularly through the first two summers to settle the roots in, then only during prolonged dry spells once established. Keep it much drier over winter. A balanced feed each month through the growing season keeps growth strong and flowering free.

Mature size

Height1.5-2.5 m

Spread1.5-2.5 m

Reaches full size in 10-20 years

Growth habit

Bushy

Flowering

JFMAMJJASOND

Jun-Sep · Orange, Red

Seasonal colour

SpringSummerAutumnWinterFlowerFoliageBerriesStem

Foliage

Deciduous

Pruning

Deciduous and flowers on the current season's growth, so prune in late winter or early spring before growth resumes. Unlike a hard-cut Buddleja, keep it as a permanent shrub or small tree: lightly shape it, thin any congested or crossing stems, and take out dead, weak or frost-damaged wood. Shortening the stems in late winter draws up the vigorous new shoots that carry the summer flowers, so timing it this way never costs you bloom.

Toxicity

No reported toxicity to people from normal garden contact, and the ripe fruit is edible. As a sensible precaution the root, bark and unripe fruit are not for eating, and it is best kept away from pets that chew plants.

Native range

Iran to N. India

Family

Lythraceae

Also known as

Punica granatum (Pomegranate)

Genus

Punica

Good to know

Frequently Asked Questions

Can I grow Punica granatum (pomegranate) outdoors in the UK?

Yes, in the right spot. It is rated RHS H3, so it is at its best in mild, coastal or urban gardens and against a warm south or west-facing wall. In colder areas give it the most sheltered sunny position you have and protect it over winter, or grow it as one of our plants for pots so it can shelter under cover in the coldest weeks.

Does Punica granatum need full sun or shade?

Full sun, and as much warmth as you can give it. A south or west-facing wall that traps heat suits it perfectly and helps ripen the wood for a better show of summer flowers. It is a true sun lover, so once established it also earns a place among drought-tolerant plants.

Will a pomegranate fruit outdoors in the UK?

Rarely. Pomegranates need a long, hot summer and autumn temperatures of around 13 to 16C to ripen their fruit, which most British gardens cannot promise outdoors. It is best grown for its vivid orange-red flowers and handsome foliage, with any fruit a welcome bonus in a hot year or against a sheltered wall.

Is Punica granatum hardy, or does it need winter protection?

It is half hardy, rated RHS H3, so it is not reliably hardy across all of the UK. In milder and coastal gardens it can stay out in a sheltered spot, while elsewhere it appreciates a warm wall, a dry root run and some protection in hard frost. See our hardy exotics, what to expect guide for seasonal care.

How big does Punica granatum grow?

In the UK it makes a large shrub or small tree of around 1.5 to 2.5 m in both height and spread over ten to twenty years. It responds well to a light prune in late winter, so it is easy to keep more compact, and it is happy in a large container for years. Note this is the full species, not the miniature 'Nana', which stays much smaller.

Can I grow Punica granatum in a pot?

Yes, it is one of the best sun-loving shrubs for a large container on a warm patio or terrace. Growing it in a pot also lets you move it somewhere sheltered for winter, which suits its RHS H3 rating. Browse more of our plants for pots for companions.

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

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.

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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

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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Punica granatum (Pomegranate)

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