Plants
Firethorn
Pyracantha · Rosaceae
Firethorn lives up to its name: from September its branches hang laden with orange, red or yellow berries that glow into winter. Before that, in May, comes a snow-white cloud of blossom swarmed by bees. Evergreen, thorny and clip-tolerant, it is bird-protection shrub, hedge and espalier plant in one.
- Light
- Sun to partial shade; full sun brings the densest berry set.
- Watering
- Low: established plants need water only in extreme summers.
- Care level
- Easy
- Botanical
- Pyracantha
The trade is dominated by scab-resistant hybrid varieties, sorted by berry colour: „Orange Glow“ and „Orange Charmer“ in strong orange, „Red Column“ with red berries and strictly upright growth, „Soleil d'Or“ with golden-yellow fruit. Older, non-resistant varieties often suffer from scab, which disfigures berries and foliage — checking the variety name pays off when buying.
Its speciality is the espalier: on walls, fences and pergolas, firethorn can be trained flat and shaped over the years into impressive berry-laden wall pictures. As a free-growing shrub it reaches two to three metres high and wide; as a clipped hedge it is practically impenetrable thanks to its thorns.
Ecologically, firethorn is a win: the May blossom is a rich insect pasture, the dense thorny growth offers birds safe nesting and roosting places, and the berries are an important late-winter food source for blackbirds, thrushes and waxwings. The fruit often hangs until February, because birds only find it soft and tasty after frosts.
In floristry we like to use berry-laden firethorn branches in autumn bouquets, wreaths and door decorations — the berries last for weeks once cut and bring rich orange and red into the work. Gloves are essential when handling, though.
On the frequently asked toxicity question: the flesh of the berries is practically non-toxic — it used to be cooked into jelly. Like apple pips, the seeds contain small amounts of cyanogenic compounds; only someone chewing many berries including the seeds risks stomach upset. For children and pets, firethorn therefore counts as only mildly toxic; the greater danger is the thorns.
Is Firethorn toxic to children and pets?
- Children
- Mildly irritating
- Cats
- Mildly irritating
- Dogs
- Mildly irritating
The berry flesh is practically non-toxic; like apple pips, the seeds contain small amounts of cyanogenic glycosides. Only eating many chewed berries can cause gastrointestinal upset. In everyday life the sharp thorns are the bigger risk.
Typical symptoms: After eating larger amounts of chewed berries: nausea, abdominal pain, vomiting and diarrhoea.
In an emergency:call the German poison control centre in Bonn on +49 228 19240 (24/7) — for pets, contact an emergency vet directly. This information does not replace medical or veterinary advice.
Overview: toxic & non-toxic plants for cats, dogs and children
Care
- 01Sunny to partially shaded position; the sunnier, the richer the blossom and berry set.
- 02Free-draining, preferably limy soil; avoid waterlogging.
- 03Very drought-tolerant once established; only container plants need regular watering.
- 04Prune ideally right after flowering or after the berry display in late winter; when shaping, leave the berry-bearing wood.
- 05Always wear thornproof gloves when working on it.
- 06Choose scab-resistant varieties to save yourself plant protection measures.
Frequently asked
- Are firethorn berries poisonous?
- Only mildly. The flesh is practically non-toxic; only the seeds contain — like apple pips — small amounts of cyanogenic compounds. Symptoms are only expected after eating many chewed berries. Even so: children should not snack on the mealy, bland-tasting berries, and for birds they are entirely harmless.
- Why does my firethorn carry no berries?
- Usually pruning is to blame: the berries form on the previous year's shoots, and clipping hard into shape in summer removes the entire fruit set. Better to thin only lightly right after flowering or move the main prune to late winter. A position that is too shady also markedly reduces blossom and berries.
- Is firethorn suitable as a hedge?
- Very well — and as a particularly secure one at that. The strong thorns make a firethorn hedge practically impenetrable, which is why it is often planted as natural burglar deterrence under windows and along boundaries. Two plants per metre give a dense, evergreen hedge within a few years, glowing with berries in autumn.
- How long do firethorn branches last in a vase?
- Firethorn berry branches are among the longest-lasting cut branches of all: kept cool with fresh water, the berries stay presentable for a good three to four weeks, often longer. The foliage may drop sooner — for wreaths and arrangements that is no problem, as the bare berries look even more graphic.