Frangula alnus 'Fine Line' Plants - Outdoor GROW TROPICALS
Fine Line Buckthorn

Frangula alnus 'Fine Line'

£89.99 £99.99 SAVE 10%
Very hardySun-lovingLoved by pollinators
Pot size
31cm / 12L £89.99

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Description

Frangula alnus 'Fine Line' (also sold as Rhamnus frangula 'Fine Line', the Fine Line Buckthorn) is a narrow, upright deciduous shrub grown for its fine, ferny foliage and tidy columnar shape. It brings the soft texture of a conifer with the lightness of a deciduous plant.

The slender, glossy green leaves are almost willow-like and turn a clear buttery gold in autumn before falling. Small greenish flowers in May and June are quietly attractive to pollinating insects. Its tall, slim outline, roughly 2m high but under a metre wide, makes it one of the most useful plants for tight spaces.

That narrow habit makes 'Fine Line' ideal for a slim screen or informal hedge where a wider shrub would not fit, and its strong vertical form is a real asset for architectural planting. Group several for a living column effect in exotic borders or a modern courtyard.

It sits happily among other hardy exotics. Every plant is nursery grown and hand picked. To see how our outdoor plants arrive and settle in, read what to expect from hardy exotics.

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 Fine Line Buckthorn

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.
Get to know me

About Fine Line Buckthorn

Frangula alnus 'Fine Line' needs full sun or partial shade and moist but well-drained soil. It is very hardy, standing the coldest UK winters outdoors.

Good for

Architectural Screening & Privacy

Hardiness

TenderVery hardy

RHS H6 · Hardy Exotic · down to around −20°C

Very hardy (RHS H6), fully hardy with no winter protection.

Position

Full sunPartial shadeExposedSheltered

Full sun to partial shade. The densest, best foliage forms in an open, sunny spot.

Soil

ChalkClayLoamSandMoist but well-drainedAcid pHAlkaline pHNeutral pH

Adaptable to any moist but well-drained soil on chalk, clay, loam or sand, and it tolerates damp ground.

Watering

Water through the first year, especially in dry spells. Once established it is tough and low maintenance. Read moreShow less

Water through the first year, especially in dry spells. Once established it is tough and low maintenance.

Mature size

Height1.5-2 m
Spread0.6-0.9 m

Reaches full size in 5-10 years

Growth habit

Columnar/upright

Flowering

May-Jun · Green

Seasonal colour

Foliage

Deciduous

Pruning

Needs almost no pruning to hold its narrow shape. Trim lightly in late winter only to tidy or restrict height.

Toxicity

Toxic if eaten. The bark and berries are strongly purgative and the raw berries are poisonous, so keep pets and children from eating any part.

Native range

Europe, N. Africa, W. Asia

Family

Rhamnaceae

Also known as

Frangula alnus 'Fine Line'

Genus

Frangula
Good to know

Frequently Asked Questions

How wide does Frangula 'Fine Line' get?

It stays very narrow, roughly 1.5 to 2m tall but only 0.6 to 0.9m wide, which is what makes it so useful in tight spaces.

Is Fine Line Buckthorn good for screening?

Yes. Its slim, columnar habit makes it ideal for a narrow screen or informal hedge where a wider shrub would not fit. Plant several in a row for a living column effect.

Does Frangula 'Fine Line' have autumn colour?

It does. The fine, ferny green leaves turn a clear buttery gold in autumn before falling, adding a soft vertical accent to architectural planting.

Is Frangula alnus the same as Rhamnus frangula?

Yes. Frangula alnus 'Fine Line' is the same plant as Rhamnus frangula 'Fine Line', the Fine Line Buckthorn. Frangula alnus is the current accepted botanical name.

Does it need much pruning?

Almost none. It holds its narrow shape naturally. Trim lightly in late winter only if you want to tidy it or restrict its height, then let it sit among your other hardy exotics.

Are Fine Line Buckthorn berries poisonous?

Yes. The raw berries and the bark are strongly purgative and toxic if eaten, so keep pets and children from nibbling any part of the plant. 'Fine Line' sets very little fruit in any case.

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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