Why Isn’t My Thanksgiving Cactus Blooming?

The Thanksgiving cactus is a superb addition to any houseplant assortment, particularly in November, when it welcomes the vacation season with a flush of gorgeous blooms. Gardeners wait months in anticipation for this charming show. Sadly, it doesn’t all the time come.

Getting your plant to bloom or rebloom shouldn’t be tough when you perceive its setting. However a couple of frequent errors or potential points may cause your Thanksgiving cactus to cease blooming, ruining your residing Thanksgiving décor.

Look out for these eight the explanation why your Thanksgiving cactus isn’t blooming and how one can repair it to encourage flowering subsequent yr.


Not like typical cacti, this species requires common moisture.

The primary potential trigger is an issue that plagues many crops – overwatering.

Thanksgiving cactus is an epiphytic cactus native to jungle environments. Meaning it wants way more common moisture than chances are you’ll count on from a conventional ‘cactus.’ Nevertheless, as with every cactus (or any houseplant, for that matter), it’s nonetheless attainable to provide them greater than they want.

Extra moisture across the epiphytic roots limits airflow and finally results in fungal progress and decay. Not solely does this trigger stress that negatively impacts flowering, however it may well additionally kill the plant if not managed early. Epiphytes desire fast showers and well-draining soil slightly than waterlogged situations.

How To Repair

In case you’re frightened you’ve overwatered, permit the soil to dry out a bit of and test the well being of the roots by transferring some soil to the aspect or fastidiously eradicating the plant from its container. Rather less moisture than ordinary may help induce flowering. Nevertheless, don’t go to the intense of utterly underwatering, as this may additionally result in a scarcity of blooms or bud drop.

After checking the roots, chances are you’ll want to interchange the soil and repot the plant when you discover indicators of fungus or delicate and mushy roots. In case you uncover any fungal points, take away all of the soil and trim the broken roots again to wholesome progress to take away the problematic fungus and cease it from spreading. Repot into contemporary soil and sustain with care to make sure flowering the next yr.

Incorrect Mild Ranges

Close-up of Thanksgiving cactus stems on a sunny windowsill. The plant produces long, flattened, segmented stems with toothed margins. Stems are bright green, glossy.
To encourage this plant to bloom yearly, mimic its pure habitat with shorter days and longer nights.

Most indoor flowering crops want loads of shiny gentle, and infrequently some restricted direct solar, to supply blooms. As a fall-flowering species (hopefully proper round Thanksgiving), this plant is barely completely different.

To push your plant to bloom once more yr after yr, you could replicate the flowering situations of its native habitat. This implies quick days and lengthy nights – at the least 12 midnights per day can push them to supply buds. This could begin round six to eight weeks earlier than Thanksgiving in order for you them to flower on the proper time.

Relying on the situations in your space and the place this plant is positioned, this may require some planning. Chances are you’ll want to maneuver your plant round and guarantee it’s in full darkness for giant components of the day, as much as 14 hours. Even synthetic lights can get in the best way of bud formation, leaving you extremely disillusioned round Thanksgiving.

How To Repair

Sadly, when you’ve solely observed your cactus shouldn’t be flowering at Thanksgiving, there isn’t a lot you are able to do about darkish hours this season. Placing them at midnight now received’t assist them flower inside a couple of days. The preparation must begin round September every year for one of the best outcomes.

Prune the stems again and set a reminder in your calendar to watch gentle ranges the next yr. You’ll be able to nonetheless get pleasure from these crops for his or her attention-grabbing cascading stems even when they don’t bloom proper now!

Excessive Temperatures

Close-up of a Thanksgiving cactus plant in a large clay pot indoors. The Thanksgiving cactus (Schlumbergera truncata) is a popular houseplant known for its distinct flattened, segmented stems with scalloped edges. The stems are dark green with a slight purple tinge at the edges.
Temperature performs an important position in guaranteeing well timed bloom, even with correct care and plant well being.

Sticking with environmental concerns, one other important situation for bud formation is a slight drop in temperature. Of their native habitats, temperatures drop to round 55°F, which indicators to the plant that it’s time to supply flowers.

If your house is simply too heat round September (round 65 to 70°F), this temperature will take away the plant’s cue that it’s time to flower. This might be because of using temperature controls indoors, or for people who stay in a lot hotter areas, the same old temperatures round late summer time and early fall.

Even when there’s nothing flawed together with your care routine or plant well being, you continue to received’t see flowers on the proper time when you don’t think about temperature.

How To Repair

Very similar to lighting modifications, this concern can’t be resolved at Thanksgiving with a fast repair. Managing the temperature from the beginning of fall is required to permit buds to kind on the proper time.

Maintain the crops in a cooler room in your house (however not too chilly), and keep away from protecting any heating sources close by. You can too transfer them away from brighter areas and relocate to a north-facing window, which can assist with lighting ranges concurrently.

Open home windows that permit the cool air in can even assist set off flowering, so long as the crops aren’t proper within the path of sturdy drafts that will result in stress.


Close-up of a Thanksgiving cactus plant in a large white pot on the floor, next to two empty white pots and a larger potted plant with lanceolate leaves. There are also gray gloves and a piece of craft paper on the floor.
Upgrading pot dimension is crucial for houseplant care, however timing is essential.

Repotting is a vital a part of houseplant care, so long as you repot on the proper time. In case you repot across the time the plant ought to be producing buds, or when you repot incorrectly, you’ll threat the potential for flowering that season.

The primary mistake is repotting too early. Rootbound situations assist with flowering slightly than hindering it. In case you repot when the plant doesn’t want it, it’ll give attention to increasing its root system slightly than producing flowers.

Repotting right into a container that’s too giant is one other concern. Though chances are you’ll assume a bigger pot interprets to faster progress and a bigger plant, the alternative is true. When repotting each few years, select a pot one dimension up or two sizes up most.

How To Repair

Solely repot when completely needed. Roots rising by way of drainage holes, stunted progress, or disintegrated soil point out it’s time to repot. In case you don’t spot any indicators of concern, wait one other yr to assist with flowering.

Everytime you do have to repot, one of the best time is late winter or early spring, after the plant has completed flowering. Crops want time to regulate to their new situations and develop new roots after repotting, so repotting when buds are forming will halt the flowering course of.

Incorrect Soil

Close-up of Rows of Thanksgiving cactus plant seedlings in pots on a sunny windowsill. Seedlings grow from flattened stems comprised of segmented leaf-like sections.
Normal potting soil or common houseplant combine can hinder flowering.

Even when you do repot on the proper time and in the precise container, it’s nonetheless attainable on your Thanksgiving cactus to not flower when you use the flawed soil.

While you hear cactus, chances are you’ll consider quick-draining and nutrient-poor sandy or gritty soils. However keep in mind, this species is an epiphyte from the jungle slightly than the desert, requiring barely completely different rising situations. The epiphytic roots even have particular wants that replicate the ethereal situations they expertise rising connected to bushes.

Repotting into normal potting soil and even common houseplant combine received’t present the popular situations, negatively impacting flowering. Backyard soil is much more dangerous, because it brings the potential for points with soil-borne pests and illnesses.

How To Repair

Thanksgiving cacti want ethereal and well-draining soil for optimum root well being. These epiphytes, like orchids, desire soil textures that drain properly and provides the roots one thing to cling to.

I take advantage of a mixture of potting soil, perlite, and orchid bark, however you can even use succulent and cacti combine with further bark and coconut coir to empty properly whereas retaining sufficient moisture.

In case you’ve repotted into a distinct combine hindering flowering, it’s finest to repot instantly into the precise soil. Dense soil mixes not solely affect flowering however can even result in well being issues and root rot when you don’t water fastidiously.

Low Humidity

Close-up of a decorative Thanksgiving Cactus with pink flowers buds in a white pot. The plant produces long, segmented stems that are dark green in color and have jagged edges. Many bright pink round buds are formed at the tips of the stems.
A humidifier may be very efficient, because it higher replicates the jungle-like situations these houseplants desire.

Originating from the jungles of Brazil, Schlumbergera truncata is accustomed to excessive humidity ranges in its native habitats. For sturdy flowering, you could replicate those self same situations as finest you possibly can, limiting stress.

Whereas low humidity is a much less frequent explanation for the shortage of flowering on this species, excessively dry air can result in a number of progress issues. These crops admire humidity above 50% in our houses however can deal with barely decrease moisture ranges and nonetheless flower.

Nevertheless, in case your indoor air may be very dry (beneath 30%), your plant is unlikely to flower. Check the humidity in your house and across the plant specifically to find out whether or not humidity may trigger your issues.

How To Repair

There are a couple of methods to spice up humidity, relying on how a lot of a rise is required. Grouping a number of crops collectively or putting the plant in a better humidity room inside your house (like a rest room) can marginally enhance situations.

You can too place the pot on a tray stuffed with pebbles and water, so long as the water doesn’t contact the pot’s base. Because the water evaporates, it’ll barely enhance humidity across the plant.

The easiest way to manage humidity is to make use of a humidifier. Used accurately, humidifiers can higher emulate the jungle-like situations that these and lots of different houseplants are used to, enhancing your probabilities of flowering.

Sudden Adjustments In Atmosphere

Close-up of female hand holding a Schlumbergera truncata cactus in a black pot against a white wall. The nails are painted with red varnish. The plant has long flattened stems comprised of segmented leaf-like sections. The stems are dark green and feature scalloped margins. An elongated pink flower bud forms on one of the stems.
As soon as buds develop, keep away from transferring your plant.

In case your Thanksgiving cactus has developed buds on the tip of the stems, you’re midway to a profitable flowering season. However there’s nonetheless one essential mistake to keep away from at this important time earlier than flowers open – transferring the plant.

Sudden environmental modifications are one of many fundamental causes of bud drop in Thanksgiving cacti. Differing lighting situations, humidity, or frequent drafts all disrupt the fragile steadiness that results in flowering. The ensuing stress will trigger the plant to ditch all its flowers to give attention to vitality preservation and adaption.

How To Repair

Fortunately, this repair is easy. If buds have developed, don’t make any modifications. The much less you do at the moment (moreover important watering), the higher. Shifting the plant now or altering facets of care like fertilizing could finish your flowering season earlier than it has even begun.

Completely different Species

Close-up of a blooming Christmas Cactus in a large clay pot. The Christmas Cactus (Schlumbergera x buckleyi) is a charming houseplant known for its flat, segmented stems that resemble leaf-like structures. The stems are dark green and have slightly scalloped edges.Christmas Cacti produce striking, pendulous, tubular flowers of bright pink color. The blooms have a unique appearance with broad, flattened petals that form an open and star-like shape.
In case your plant doesn’t bloom on time, you might need a distinct vacation cactus species.

In case you’ve carried out every little thing proper and nonetheless can’t get your plant to bloom in time for its namesake vacation, you is probably not coping with a Thanksgiving cactus in any respect.

Schlumbergera truncata is one of some vacation cacti that look remarkably comparable, together with Christmas cactus and Easter cactus. They’re all named after the occasions of the yr they usually flower (within the northern hemisphere).

Later blooms could sign that your plant is an identical however completely different species of vacation cactus. A more in-depth take a look at the stems may even let you know what you’ve got. In case you do occur to have one of many different species, you’ll want to go out and buy a real Thanksgiving cactus in order for you it to flower this vacation.

Last Ideas

Whereas forcing a houseplant to flower could seem advanced and problematic, it doesn’t should be tough if you know the way to replicate the situations that induce flowering. Look out for any of those potential points and ensure you rectify them earlier than the blooming season begins.

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