Fiddle-leaf fig care: light, water and leaf drop

Light

The University of Illinois Extension lists Ficus lyrata among houseplants that need at least medium light, about 150 foot-candles: directly in front of a north window, a few feet from an east or west one, or 3 to 10 feet back from a south exposure. Treat that as the floor. In high light, around 300 foot-candles, the level found right at an east or west window, the plant builds thick, glossy leaves set close together on the stem. NC State adds the limit that matters most: give it protection from afternoon sun, because leaf scorch follows when it receives too much direct light.

Morning sun through an east window suits it, and the RHS notes that ornamental figs can take a few hours of morning or evening sun, especially in winter. New leaves angle toward the glass, so give the pot a quarter turn now and then to keep the trunk straight. Once you find a bright position, leave the plant there. Figs as a group answer a change of place by shedding leaves, a habit the RHS describes, and a fig carried from a sunny greenhouse to a dim corner shows it quickly.

Water

NC State calls the fiddle-leaf fig sensitive to overwatering, and the RHS guidance for ornamental figs is to water regularly in spring and summer while letting the compost dry out slightly between drinks. The test the University of Illinois Extension recommends fits this plant well: push a finger two inches into the mix and water only if it feels dry at that depth. Then water properly, slowly, until it runs from the drainage holes, and tip out the saucer. A large fig in a deep pot can hold a surprising amount of moisture in the bottom third of the mix while the surface looks dusty.

Leaf drop is how this plant reports watering trouble, and NC State notes it can come from too much water or too little. The two look alike from across the room, so read the mix as well as the leaves. Mix still damp halfway down, with lower leaves yellowing or showing dark patches, means the roots are short of air; the RHS lists yellowing and dark spotting as signs of overwatering in figs. Mix that has shrunk from the pot wall, with limp leaves crisping at the edges, means thirst. Use room-temperature water, never cold, as Illinois advises for all houseplants.

Winter changes the arithmetic. Shorter days slow growth, the pot dries more slowly, and the RHS suggests keeping fig compost only just moist through the cold months. That usually means far fewer waterings than in July, so let the finger test decide rather than the calendar.

Soil and pH

Outdoors, NC State describes Ficus lyrata as preferring moist, well-drained, loamy and acidic soil. Indoors, the RHS recommends a peat-free, loam-based potting compost, which holds some water without turning to mud. A loam-based mix also adds weight, and weight matters for a plant that carries a lot of leaf area on one or two stems: a tall fig in a light, fluffy mix and a plastic pot tips over easily. If your mix is very fine, cutting in some perlite or small pine bark keeps air around the roots. Use a pot with a drainage hole, and choose a heavy one as the plant gains height.

Humidity

NC State says the fiddle-leaf fig performs best in medium relative humidity, which is easier to provide than the jungle look of the plant suggests. The University of Illinois Extension points out that most heated homes drop below 30 percent humidity in winter, and that is when the leaf margins start to dry. The RHS suggests misting ornamental figs and standing the pot on a tray of damp gravel with the water kept just below the surface of the stones. Grouping plants raises the humidity around them too. Wipe the broad leaves with a damp cloth when dust builds up; on a leaf this size, a film of dust cuts the light it can use.

Temperature

Keep the plant above 55°F (13°C). NC State gives that as the temperature it needs to perform well, and the RHS says tropical figs must stay above 50 to 55°F. Steadiness counts as much as the number. NC State links brown spots on the leaves to swings in room temperature from heating and cooling vents, so a spot beside a radiator, a forced-air register or a door that opens onto winter air is a poor choice even when the thermostat reads comfortable. A summer on a sheltered patio is fine, as NC State suggests, but bring the pot back indoors before fall nights cool toward 55°F.

Fertilizer

Feed only while the fig is making leaves, from spring into late summer. The RHS suggests a high-nitrogen fertilizer to encourage leafy growth, and the University of Illinois Extension's general rule for houseplants is no more than once every one to three months between March and September, at the label rate and never stronger. A big fig growing fast in a bright window sits at the frequent end of that range; one in medium light needs far less, because a plant that grows slowly cannot use the salts, and unused salts burn roots. Skip winter feeding, and flush the pot with a large volume of plain water every 4 to 6 months, as Illinois recommends, to clear residue.

Work out the dose for your watering can with the fertilizer dilution calculator →

Repotting

The RHS suggests moving ornamental figs into a slightly larger container every couple of years in spring, and Clemson's rule for houseplants is a pot only 1 or 2 inches wider than the old one. The signs are roots circling the bottom or escaping the drainage holes, a plant that suddenly needs water much more often, or stunted new leaves, which the RHS links to a fig that needs more root room. When you slide the root ball out, cut or unwind circling roots; UF/IFAS warns that roots left circling a container can make a fig tree unstable as it grows. Once a fig is too big to repot, scrape off the top inch of compost and replace it with fresh mix in the years you do not repot, the RHS method for large specimens.

• Roots circle the bottom of the pot or push out of the drainage holes
• The plant needs water far more often than it used to
• New leaves come in smaller and paler than the old ones

Propagation

Both methods that work for a fiddle-leaf fig start from its woody stem. Air layering is the dependable one for a tall, leggy plant. The University of Illinois Extension explains that plants with very large leaves lose moisture too quickly to root well as ordinary cuttings, so you make an upward cut a third to halfway through the stem, pack it with moist sphagnum moss, wrap it in clear plastic and let roots form while the top stays attached. Illinois expects roots after 3 to 4 months; the RHS, which suggests spring or late summer for figs, says rooting can take about a year.

The RHS also lists leaf-bud and semi-hardwood cuttings. Let the cut end of a fig cutting air dry and callus before it goes into rooting mix, as Illinois advises for rubber plant and other Ficus, and wear gloves throughout: the milky sap that runs from every cut irritates skin, a warning both NC State and the RHS give.

Methods: Air layering, Leaf-bud cuttings, Semi-hardwood cuttings · Best season: spring or late summer.

Common problems

Fiddle-leaf fig trouble shows up on the leaves, which makes it easier to diagnose than it first seems. Sudden loss of healthy-looking leaves follows a watering error, a move or a cold draft. Brown patches in the middle of the leaf after a wet spell point to the roots, while brown, papery scorch on the side facing the glass points to sun. Small new leaves on a stretched stem mean the plant lacks light or root room. NC State lists scale, aphids, mealybugs, thrips and spider mites as the pests to watch, so check the undersides and the leaf joints every time you clean the foliage.

Not sure which one it is? Try the plant problem diagnosis tool →

Is the fiddle-leaf fig toxic to cats and dogs?

The ASPCA has no entry for Ficus lyrata itself. The closest is its Weeping Fig entry, filed under Ficus sp., which lists fig species as toxic to cats and dogs, with a proteolytic enzyme (ficin) and psoralen (ficusin) as the toxic principles; the ASPCA's Fig entry for Ficus benjamina gives the clinical signs as gastrointestinal and dermal irritation. NC State, which covers Ficus lyrata directly, lists it as poisonous to cats, dogs and people through insoluble calcium oxalates, with oral irritation, burning of the mouth, excessive drooling, vomiting and difficulty swallowing. Pick up fallen leaves, which a cat may chew on the floor, and call your veterinarian or the ASPCA Animal Poison Control Center at (888) 426-4435 if a pet eats part of the plant.

Check any other plant against the ASPCA lists →