Wild-growing fig trees form a flat and extensive root system that is usually three times as large as the sprawling crown. They belong to the heart root family, whose root shape is reminiscent of a hemisphere. Several branched and woody main roots give the tree stability. The main root below the trunk grows almost vertically into the ground while numerous other roots spread out in a radial pattern around the plant.
What are the roots of a fig tree like?
Fig tree roots form a flat, extensive system and are ideally adapted to soil conditions and water and nutrient supply. Fig trees require large planters and are stable against wind, but sensitive to frost damage and root rot.
Complex root system
This means that the fig is excellently adapted to the soil conditions in its homeland and can make optimal use of the available water and nutrients. Thanks to its strong main roots, the fig is stable despite strong winds.
You should train potted figs and fig trees planted in our latitudes so that the roots reach far into the depths. This makes the tree less susceptible to frost damage and root rot.
Figs require large planters
Fig trees that grow in a container need to be repotted on average every two years. You need larger planters than other balcony plants so that the delicate root ball has enough space. If you water the fig regularly from below, it will encourage it to form strong main roots. However, avoid waterlogging, as the fig reacts to too much water with root rot.
Stimulate root formation in outdoor figs
A fig planted outdoors thanks to the good preparation of the planting hole with strong root formation. Loosen the topsoil with a little sand or gravel and add coarse gravel to the planting hole as a drainage layer. Wash the fig thoroughly during dry periods so that the plant develops deep roots that do not freeze back in the winter months.
Can fig trees use their roots to break through masonry?
The fig was described by an ancient poet as a plant whose roots were strong enough to bring down walls. This poet had a flowering imagination, because although the roots of the fig can reach enormous dimensions, they are hardly able to blow up masonry.
For the roots to penetrate cracks in the wall, the wall would have to be cracked and riddled with gaps. In addition, outdoor figs always freeze back a little in the cold winters in our latitudes and rarely grow as large as wild specimens. Even if fig trees or espaliered fruit are planted close to the house, there is no risk to the intact masonry of your house.
Tips & Tricks
While you can shorten the root ball somewhat when moving many trees, you should avoid this if possible with figs. Figs react very sensitively to injuries to the root ball and can even die due to root damage.
