How Do I Protect My Fig Tree Over Winter?

Overwintering a fig tree correctly in the UK is one of the most important management tasks of the year. The goal is not simply to keep the tree alive — a well-established fig in a sheltered position will survive mild UK winters without intervention — but to protect the tiny embryo figs that sit on the tips of the shoots through the cold months. These embryo figs are the coming season's crop, and losing them to frost means losing the harvest before the year has even started.

Why winter protection matters

Fig embryo figlets are small (pea-sized), green, and sit at the very tip of each shoot. While the mature wood of a fig tree can survive temperatures down to -10°C or lower once fully hardened, the embryo figs and the soft shoot tips that carry them are more vulnerable. In a cold winter — or after a mild autumn that left the wood poorly hardened — these tips can be killed, taking the embryo figs with them and leaving the tree unable to produce a harvestable crop that year. Good winter protection significantly reduces this loss.

Wrapping wall-trained figs

For a fig fan-trained against a wall, the simplest and most effective protection is to wrap the entire framework in two to three layers of horticultural fleece from November to March. Remove any large second-crop figs first (they will not ripen and their bulk makes wrapping harder), but leave all the shoot tips with their embryo figs intact. Wrap loosely — the fleece should create an insulating air layer around the branches without crushing the tips. Secure with string or clips. The wall behind provides additional thermal mass. Unwrap gradually from late March as overnight frost risk reduces.

Container figs — moving indoors

The most reliable protection for a container fig is to move it to a frost-free but cool, dark location for winter — a garage, shed, unheated spare room or cellar where temperatures stay above -5°C but do not get warm enough to trigger premature growth. Place it in a dark corner, water very sparingly (once every three to four weeks if the compost is completely dry) and leave it until March. Moving it back outside should be done gradually — start with sheltered, semi-shaded conditions before returning to the full growing position.

Preparing the tree before winter

Remove all remaining large figs in September and October that have clearly not ripened and will not do so. These drain energy and create wet spots on the shoots that can harbour disease. Remove any diseased or dead leaves. Stop watering as heavily as the weather cools. Do not prune before winter — all structural pruning should wait for spring when you can also cut out any frost damage.

Unwrapping in spring

Begin loosening the wrapping from late March, but keep fleece available to re-cover the tree if late frosts are forecast. Once the embryo figs begin to swell noticeably (around April) they are very frost-sensitive. A single sharp frost after they have begun swelling can set the crop back significantly. Keep the fleece at hand until mid-May in colder parts of the UK.