The Poinsettia is not a Christmas decoration but a houseplant with feelings, wearing a red holiday party costume for your sake.

And yet, every January, an average gardener ponders: Do I toss the green stick out, or do I dedicate a large part of my life to appeasing my tropical housemate? I say, don’t send the plant packing.

If you wish to prove you’re worthy of a perennial relationship, stop treating Poinsettia like it’s disposable.

Pot with a Christmas poinsettia flower

Plantfare (n.): The relentless, prolonged, and occasionally futile domestic struggle to maintain the aesthetic and actual well-being of non-native but highly demanding houseplants. The term encompasses a full year of battling root rot, dust, poor lighting, and the plant’s own inherent, passive aggression. The word didn’t exist until now.

If you’re already thinking ahead to your next holiday bloom, don’t miss our post on how to schedule amaryllis planting so your bulb blooms right when you want it.

Cut back Poinsettia

The colorful bracts will fade, drop off, and turn your plant into your bald uncle lookalike. Naturally, your plant needs a period of dormancy, like we all do after days (nights) of partying.

  • It is also the perfect time for the big cut-back. Prune every stem back hard, but leave about 6 to 8 inches of growth. No need to be gentle. 

That’s essential for stimulating fresh, bushy, and strong growth later, which prevents a tall and awkward stalk. This first phase is appropriately dubbed the “ugly stick” era.

  • Dramatically reduce watering during this time. Keep the soil barely moist but not dry to keep hideous root rot away. 
  • During this rest period, it also helps to keep the plant somewhere slightly cooler, around 55-60°F (13-16°C), to encourage dormancy and prevent weak, leggy growth.
Repotting Poinsettia

The party is back on when green growth suddenly appears from the pruned stems. Repotting comes next.

  • A new pot must be a mere 1 or 2 inches wider than the last. Over-potting is tempting, but that rookie mistake will lead to root rot and tears.

And skip the cheap dirt. Your plant expects a high-quality, fresh, and well-draining potting mix. Or it’ll literally bite the dust.  

  • Move the plant to its brightest window once you repot it. Resume a consistent watering schedule once it settles. It’s quite a heavy (and thirsty) feeder during its active growth!
  • Now, if you demand performance, you must deliver a good, balanced, liquid houseplant fertilizer every two weeks. It is now necessary to support the impending explosion of new growth.

And remember: you are paying the plant’s rent, so it had better start performing like Lady Gaga.

Poinsettia plant with green leaves, grown in a pot

Since poinsettias are tropical plants native to Mexico, they can only live outdoors year-round in Zones 10-12.

  • Check the evening temperature. When evening lows finally creep above 55°F (13°C), the poinsettia considers its parole granted. Your outdoor duties commence then.
  • Haul the plant to a location that offers strong morning sun or filtered and dappled shade all day long.

Natural and strong summer light is essential for energy storage. However, harsh afternoon sun is way too intense, and exposure will quickly torch the leaves.

  • When any main stem reaches 4-6 inches, gently pinch it or snip its tip off. The goal is to promote lateral growth, and snipping encourages the stem to branch out sideways.

Keep doing this every few weeks until early September. After that date, stop all pruning. Pinching is the secret to a full, dense, and truly magnificent shrub, but new stems need time to fully mature for the critical color change.

Poinsettia

Your commitment is truly tested here. Poinsettias are photoperiodic, meaning they require regular selfies. Kidding. It means you need to trick the plant into thinking it is the depths of winter. Initiate the strict blackout in October.

  • The plant now requires 14 consecutive hours of complete darkness every single night. That’s key to forcing the fiery color change, even though the idea is to lock it at night and lose the key.

I suggest you place the plant in a pitch-black closet or cover it with a truly opaque box at 5 in the afternoon and not uncover it until 7 in the morning. Continue this light (dark?) ritual for eight straight weeks.

  • Maintain your normal watering and fertilizing during the day, because the plant must eat. Once you see the color beginning to appear, the blackmail’s over.

And if you love keeping your holiday plants alive long after the decorations are gone, check out our Christmas Cactus Care Calendar for a month-by-month routine that guarantees blooms right on time.

Poinsettia

During eight months of relentless Poinsettia plantfare, it’s common for a few problems to arise.

If the bracts remain stubbornly green, check the closet for light leaks. The plant saw something it shouldn’t have, and you must reset the entire production.

Leaf drop, the most common failure, is always a result of watering mismanagement. Either the plant is swimming in root rot or dried out like jerky. It is never complicated, unless you make it so.

And even if a few things have gone sideways, don’t go sitting in sackcloth and ashes. Consider this year a necessary trial run. You proved your impressive dedication. You’ve earned mine and the plant’s reluctant respect until next January.

Want to take care of more indoor gems? Also check out our guide on how to make a ZZ plant flower, yes, it’s possible, and we’ll show you how!

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