'Bornholm's Diamond' Fig Tree
The world's hardiest fig
Grown by Mike
Roots' Cotswolds Valley Nursery
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'Bornholm's Diamond' Fig Tree
- Not all fig varieties are particularly cold hardy, but this one certainly is! Capable of withstanding temperatures down to -20°C (and even below), 'Bornholm's Diamond' is one seriously rugged customer.
- First found on the island of Bornholm in the frigid Baltic Sea, it's no wonder that this variety can tolerate a bit of bad weather thrown its way. Like all fig trees, though, best fruiting will, of course, occur when the weather is warm and sunny.
- Producing an abundance of sweet and jammy purple figs towards the end of summer, this tree is relatively compact (2.5m) and well-suited, therefore, to courtyard gardens and smaller, Mediterranean-style spaces.
- Eat the fruits fresh, dry them to keep on hand as a sugary snack, bake in a pie and serve with vanilla ice cream, or whip up a fig salad with nectarines, blue cheese and a honey vinaigrette.
- Fig trees have highly distinctive, lobed foliage which, along with the tree's bark, radiates a lovely aroma.
- Figs fruit best when their roots are restricted; this can be achieved by cultivating them in a container, using a purpose-designed root control bag, or using rubble and paving slabs when planting.
What to expect
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Height on arrival
Eventual height
Eventual spread
Tasting notes
Time to first crop
Habit
Hardiness
Self fertile
Uses
Spacing
Will this grow in my garden?
Can I grow this in a pot?
Yes, the 'Bornholm's Diamond' Fig Tree grows exceptionally well in a pot. In fact, restricting its root system in a container can actually encourage more prolific fruit production rather than excessive foliage growth. Ensure the pot has adequate drainage holes, and use a loam-based compost like John Innes No. 3 mixed with some grit for drainage. You will need to repot every couple of years as it grows.
How big does it get?
This tree can reach a height and spread of 3 to 4 metres if unrestricted, but it stays smaller in a container.
How much sunlight does this need?
It needs a sheltered, sunny spot, ideally south or west-facing, to ensure the fruit ripens properly in the UK climate.
What kind of soil does this plant prefer?
This fig tree prefers well-drained, fertile soil that is ideally neutral to slightly alkaline (pH 6.0-7.5), and if grown in a pot, you should use John Innes No. 3 compost with added grit.
How much watering does this plant need?
Water regularly during the growing season, keeping the soil moist. Reduce watering in winter when the tree is dormant.
Will this plant need pruning?
Prune in late winter to remove dead wood and maintain shape. Pinch out young shoots in summer to encourage fruiting.
How hardy is this plant?
The 'Bornholm's Diamond' fig is exceptionally cold-tolerant and is one of the hardiest varieties available, withstanding temperatures down to -20°C (H6). Originating from Denmark, it is built for tough weather and is highly reliable for outdoor cultivation across the UK.
The wider garden
Roots' Cotswolds Valley Nursery
Meet Mike
Tree-growing skills honed right across the globe
Having started out in Australia, studied in Northern Ireland and volunteered at an organic farm in Sweden, it’s fair to say Mike’s done his fair share of travel on his horticultural journey, so far! Having happily laid down roots here at Roots, Mike is the don behind our tree-growing operation, imparting each and every one of his globally-honed skills to benefit your garden. Grown in our purpose-built nursery, in the ideal climatic conditions of the fertile Vale of Evesham, we’re proud to supply only the happiest, healthiest and hardiest trees.
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