Parlor Palm Care Calendar: What to Do Each Season

The year at a glance

This palm grows slowly and predictably, which makes the calendar unusually simple. Everything that involves disturbing the plant happens in spring; summer is watering and pest patrol; autumn is winding down; winter is restraint. A healthy mature clump produces perhaps one to three new fronds per stem in a year, so nothing about this schedule is urgent.

In a warm, evenly lit apartment the seasons blur and the plant stays semi-active all year. Follow the compost and the light rather than the season name if that describes your home.

Spring: the only month for disturbance

Everything that costs the plant roots belongs here, at the start of the growing season, so there is a full warm year ahead for recovery. Do it once and leave the plant alone until the following spring.

1. Decide whether it needs a pot Slide the plant out and look. A root ball that holds the pot shape completely means repot one size up. Anything less means topdress instead: scrape off the top inch of compost and replace it with fresh mix.
2. Divide, if you are going to Split a dense clump into groups of five to ten stems now and never later in the year. Divisions made in autumn sit in cold wet compost with damaged roots all winter.
3. Flush the pot Run four pot volumes of water through the compost to wash out the winter's accumulated salts, then let it drain hard. Do this before you resume feeding, not after.
4. Resume feeding at half strength Once you see a new spear pushing up, start a balanced liquid houseplant feed at half the recommended dose, once a month. Full-strength feed on this palm produces brown tips, not growth.
5. Move it towards the light Spring light drives the year's fronds. Bring the plant to a bright indirect position, two to four feet back from an east or north window, and turn the pot a quarter each time you water.

Summer: water, shade and mite patrol

Summer is when the palm actually grows, and also when the two summer risks appear. The first is sun: as the sun climbs, a spot that was safely indirect in spring can catch direct afternoon light through glass, which scorches fronds permanently. Check the shadow at midday and move the plant back or add a sheer curtain.

The second is that the compost dries much faster in warmth, and a pot that goes bone dry costs you the outer leaflets on several fronds at once. Check the top inch every few days rather than watering on a fixed day. If the plant summers outdoors, it must be in full shade and back inside well before nights approach 55F (13C).

Do the paper test for spider mites once a month all summer: hold white paper under a frond and tap. Specks that move are mites. Catching them before the webbing stage saves weeks of work.

Autumn: wind down before the light goes

The mistake people make in autumn is carrying the summer routine into a season with half the daylight. The plant slows first and the compost dries more slowly, so unchanged watering becomes overwatering without anything visibly changing.

1. Stop feeding early Give the last feed in early autumn while there is still real growth. Feeding into a plant that has stopped growing simply leaves salts in the compost to burn frond tips over winter.
2. Stretch the watering interval Move from checking every few days to checking weekly, and let the top inch dry a little more thoroughly than you would in summer before you water.
3. Bring outdoor plants in and inspect them Do this before nights drop towards 55F (13C). Rinse both sides of every frond and check the leaf bases for scale and mealybugs before the plant rejoins the others indoors.
4. Move it towards the window As daylight falls, a position that was comfortable at the height of summer becomes genuinely dim. Shift the plant closer to the glass, but not so close that it sits against cold panes at night.

Winter: do less

Winter care is mostly a list of things not to do. Do not feed. Do not repot. Do not divide. Do not water on the summer schedule. A parlor palm in a cool room in winter may need a thorough watering only every two or three weeks, and cold compost that stays wet for a fortnight is the classic route to root rot.

What does need attention is position. Keep the crown out of the path of radiators, heating vents and frequently opened doors, because dry moving air produces brown tips faster than any watering fault and creates the conditions spider mites need. At the same time keep the fronds off cold window glass, where a night behind a closed curtain can drop the plant to damaging temperatures. Below 50F (10C) you get blackened patches that never recover.

What to write down

This is a slow plant, so the year-to-year record is worth more here than on anything fast-growing. A handful of dates turns a vague impression of decline or progress into something you can actually check.

Counting the stems once a year is the single most useful habit with this palm. Because a lost stem is permanent, a falling count is the earliest honest signal that something in the routine is wrong.