Absolute Surefire Steps to Kill Your Venus Flytrap: Step 7

Curious about the context? Check out the introduction.

Some of the content in this series appeared, in much shorter form, in Gothic Beauty magazine.

Step 7: Keep it jammed in with other carnivores.

If you’ve been keeping up with the series so far, you might think that I’d never recommend that anybody keep Venus flytraps. That’s not true in the slightest. I’d never recommend them to beginners, for the same exact reasons I’d never recommend green iguanas, Sulcata tortoises, or Nile monitors as pets for anybody who’s never kept reptiles before. Venus flytraps are just as fascinating as any other carnivorous plant, but they’re just so particular about their light, their moisture levels, their potting mix, and choice of prey. I don’t tell a beginner “No, you shouldn’t get a flytrap.” Instead, I point out the merits, note the limitations on care and husbandry, and gently note that I know of a couple of carnivores much better suited for someone who’s never worked with one before. That person usually goes home with a Drosera adelae, and when I see that person again, s/he’s moved to any number of exotic varieties, and then starts experimenting with flytraps.

Back about eight years ago, a very short-lived trend started with bulk carnivorous plant sales to home improvement centers, and I’m glad the collapse of the economy stopped it. At the time, several companies offered carnivores to Home Depot and Lowe’s in the famed cubes of death, but there was one assemblage that just chilled the blood of anybody who knew enough about carnivores to be dangerous. Heck, it even scared me. This was a three-pack sampler, almost always with a Venus flytrap, an adelae sundew, and a Darlingtonia cobra plant jammed together into a cube.

For those who don’t understand, let’s put it into pet terms. Picture walking into a Petco or a PetSmart and seeing a one-cubic-foot package that contained a puppy, a parrot, and a pacu. The only thing they have in common is that their names start with the letter “p”, and these death cube collections of carnivores weren’t much better. As explained before in this collection of essays, Venus flytraps need high humidity and high lighting, but also good air circulation. The adelae sundew gets by on more constrained air than flytraps, as well as much less light, and it doesn’t need a winter dormancy period. The cobra plant needs a winter dormancy period, but it’s native to mountain seeps fed by snowmelt; most botanists consider it an alpine plant, as it needs cool water for its roots and the distinctive drops in night-time temperatures generally found in high mountains. You couldn’t find three more dissimilar species of plant if you tried, and like the puppy/parrot/pacu death cube, you might have one survive for a few months before it finally gave up.

Even with species of carnivore that live in the flytrap’s native or introduced ranges, you’ll find that they don’t exactly live together together. In the wild, flytraps may be found with a few species of sundew, but while they grow in bogs, they prefer more drainage than Sarracenia pitcher plants. Depending upon the species, many Sarracenia have no problems with their roots sitting in water (the parrot pitcher Sarracenia psittacina actually thrives on being submerged for a time in spring and early summer, and its traps apparently adapted to catching aquatic insect and tadpole prey while dunked), which is something that will kill flytraps in a matter of days. Flytraps like their soil kept constantly moist, but they cannot handle being waterlogged. Try to keep a flytrap in the same planter that best suits a terrestrial bladderwort or a Sarracenia pitcher plant, and you’re going to have mush before long.

As always, there are alternatives. In a large bog garden, putting flytraps so they remain at least six inches (16.24 cm) above the general water level works well, and the bog soil can be shored up to keep it from washing down into the rest of the bog during rains. In a large planter, I’ve actually had good results with putting a plastic tube at least six inches wide into the planter so the end rests on the bottom, filling it full of flytrap planting mix (the usual “one part sphagnum moss to one part silica sand” mix), and planting the flytrap above the general soil level for the other plants. In smaller containers and pots, though? Keep it by itself, but if various sundews start sprouting around it, leave them be. They won’t necessarily hurt the flytrap, and they can always be separated during repotting when the flytrap goes dormant for the winter.

Next: Step 8 – Keep moving it around.

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