Living Green With Pets: Bringing Plants Indoors

cookie looks at the snow

Cookie greets a snowy morning.

We had an unexpected snowfall overnight and this morning, and while I’ve known for weeks I needed to do something with my plants before they ended up as frozen mush, snowfall was decidedly a surprise.

It was also better than the alternative at this time of year, a freeze, because while more tender plants will be tinged with air cold enough to produce snow, it’s also full of moisture which helps to protect leaf and petal surfaces, and plants under cover of a deck or tree aren’t as badly affected. A freeze is typically cold with a clear sky and low humidity, and any plant outdoors that has moisture in its leaves is pretty much done for.

Often annual plants are thriving in the autumn, into a second bloom after the heat of late summer is moderated by the cool dampness of early autumn. Many plants can be brought indoors and kept as houseplants through the winter, which saves you both time and money next spring when you can start with plants that are already growing.

geraniums in the snow

The geraniums were enjoying the autumn.

You may have a variety of plant or a color of flower that is difficult to find, a plant that has an emotional tie to someone, or heirloom plants you’ve purchased or started from seed or cuttings. But you need to take precautions about what plants do well indoors, what might hitch a ride indoors with your plants, and what your pets might decide to do with all that lush greenness.

plants outdoors

My asparagus fern and spider plants.

I also put indoor plants outdoors for the summer, including my spider plants, asparagus fern, wandering jew, Swedish ivy and other common houseplants. The same goes for these as far as your pets interacting with them, and the use of chemicals.

Outdoor plants and your pets

The greatest caution where your pets are concerned are the plants themselves and any chemicals that may have been used on them. Nearly all tropical plants, which includes most of the annuals whose bloom we enjoy all summer, are toxic to most dogs, cats, rabbits, ferrets, birds and other animals that have any ability to chew on them.

In the wild, animals are biologically conditioned to know what is and isn’t toxic in their environment, but indoors they are encountering a house full of greenery they know nothing about. It’s a natural reaction for animals to taste new things in the environment, and some pets truly enjoy chewing away at your indoor jungle.

black cat in plants

Loo-See of the Jungle

You can’t really punish them for following what seems to be a natural impulse and a physical need. We don’t really know why cats, obligate carnivores, chew on grasses and green things, but it may be to help cleanse their mouth and digestive system, and to add fiber to their primarily protein diet to aid in elimination.

An indoor pet will take what they can get to simulate the natural outdoor environment they crave, digging in the soil of a potted plant or making a bed of a lush, healthy pot of foliage. Cats and dogs aren’t necessarily particular in what they’ll nibble on; generally they’ll try anything green, and some cats will completely chew down a plant that can’t have tasted very good and wasn’t very easy to chew.

While it may be amusing if you’re not too attached to your plants, it can be EXTREMELY DANGEROUS to your pets. Several common houseplants, or plants we bring in for some holidays or for winter, are deadly, and another longer list can cause a range of symptoms from temporary discomfort to permanent health problems. I have several articles on this site that list these plants in particular and include links to online resources with a wealth of information; these resources are also listed at the end of this article.

cat hanging up side down

Mewsette being silly in the plants.

Chemicals in the soil

Not only are the plants toxic, but so are any chemical fertilizers you may have used on them through the summer. Plant growth sticks and pellets and even watering with a liquid chemical fertilizer leaves a residue in the soil.

Some cats, especially my lovely felines, find loose soil and think I’ve installed a natural litterbox, and other pets will actually eat the soil, especially if they have some lack of minerals in their diet (this is common with anemic pets or those in renal failure). If you’ve used chemical fertilizers and want to bring your plants inside, completely remove the soil, clean the pot, and use new soil—and that complete changeover is actually good for the plant as well.

I use my own mix of compost and peat moss and top off with fresh compost and water with compost tea (yes, tea), which is non-toxic and actually renews the soil, so I’m not concerned with the soil when mine come indoors, but I have to cover the soil in the larger plants with wire mesh or screen that can’t be pulled away; they can and will dig in gravel, seashells, and larger rocks.

namir in plant

Namir in Plant

Chemicals on your plants

Likewise if you’ve used chemical insecticide sprays or soil treatments on your plants, you shouldn’t bring them inside, even if time has passed since you used the product. These can leave behind enough of a residue on the plant or in the plant’s leaves and stems to be toxic to your pet.

Keeping pets away from your plants

The problem is that, while you may get some pets to quite eating your plants, most will return again and again, even if they suffer discomfort from their snack. The best way to keep your pets safe from plants is to put the plants completely out of reach—bearing in mind that cats can jump five to seven times the height of their tail and can be ingenious about launching from strategic furniture to get into a hanging basket. Sometimes it is necessary to completely remove the plant from the house, no matter how much you like it.

For years my cats walked around in my plants, slept in them, occasionally took an exploratory nibble, but basically left them alone. Not so anymore. The Curious Quartet have eaten anything in their path, especially Mewsette who even likes salad greens, and even the high-level shelves are no longer out of reach from this young and curious group. I miss my houseplants, but between falling heavy clay pots and dining on every plant I had to remove just about everything. Over the years I’ve gotten creative with finding shops and public spaces to take my houseplants, offering to stop by weekly or so to take care of them.

orange cat with begonias

Mr. Peach with Begonias.

Alternatives to insecticides before bringing inside

You may also notice insects who’ve made a tidy home on your plants, especially as cold weather sets in. Spiders, aphids, even bees and stinkbugs, are naturally camouflaged along the stems or undersides of leaves on plants.

Rather than spray them down with a chemical insecticide spray, you can go a long way by cutting the affected branches and throwing them away, insects and all. With most insects, a good blast of water from a hose will knock them off. If the plant is too delicate or you can’t rid the plant of all of them, you can use a detergent preparation, either a homemade solution of one tablespoon of dish detergent (any brand will do, it’s the detergent itself that’s the active ingredient) in a quart of water used in a spray bottle, or look for a commercial “insecticidal soap”. The detergent works in varying ways with various insects, but tends to coats the skin, absorb into cells or break down an insect’s waxy coating and they die without their natural protection.

I have nearly always had bees build a nest in one of my ferns, so a careful blast with the hose is generally advisable for ferns, spider plants and other tropical plants with dense rootballs and grassy foliage.

What plants to bring indoors

Generally, I’ll bring anything indoors that’s already in a pot and thriving; digging plants such as herbs and half-hardy perennials out of the soil is not difficult, but an entirely different project. If the plant is starting to show signs of wear and tear, like my basil or petunias, I’ll pluck the good basil leaves to cook with or dry, cut the petunias for a bouquet, and toss the rest in the compost.

black cat looking down from shelf

This shelf had once held plants...

Most plants which have grown outdoors in summer’s humid air need more humidity than the average heated indoor household gives it, so entryways and hallways that don’t have a direct heat source are ideal, and of course the bathroom is like a sauna for plants. Here are a few ideas for plants that do well indoors.

People have been overwintering geraniums for years using a variety of methods. I had one huge geranium I called “Big Pink” for 13 years that I kept in the same pot, carried it out to the same place on my front porch in the spring and back into the same spot in the basement in the fall.

geranium with snow

My coral geranium with snow.

My mother would knock the soil off the roots of her big red geraniums for the window box under the front window, trim them back and hang them upside down in a corner of the basement; some people store them in paper bags like tender bulbs. I did this until one year I only had time to bring them in and set them on a table in the corner of the basement. My basement stays fairly cool but it’s damp, and as soon as the days began to lengthen the plants grew new leaves and were blooming in January.

You can also keep them on a sunny windowsill and grow them like houseplants. They will continue to bloom all winter, but you’ll need to cut them back in spring or they’ll be completely leggy by summer. The good thing is you can easily root the trimmings into new geranium plants either by putting them in water on a bright, not sunny, windowsill, or tucking the cut end of the cutting into soil and keeping it well watered on a sunny windowsill. Aside from Big Pink and a few others, most plants last about three to five years, so all the geraniums I have now are cuttings from prior geraniums.

begonias

Begonias

Begonias are sold as house plants as often as annual bedding plants, and move indoors easily. They may bloom all winter but will usually die back and lose leaves and blossoms, needing a period of rest. The bare stems can be trimmed and new stems will branch from there, blooming again in just a few months. But though begonias look delicate they are lasting; last year a planter of my begonias died back indoors to the point where little could be seen except a few sticks and a leaf or two. I put it out in the spring rains and it resurrected to bloom all summer on the deck rail again.

impatiens

Impatiens still looking good after snowmelt.

Similar to begonias, impatiens will overwinter nicely if cut back and kept small through the winter, even just a rosette of leaves on the soil, and the soil kept damp. They usually won’t bloom again and any leaves will be tiny and new growth leggy, but you’ll have plants that will take off as soon as you get them outside.

fern fronds

Fern fronds

For years I had choleus as a houseplant and never realized it could grow outdoors until I saw it in a garden center. After that I took cuttings each spring for my outdoor choleus and brought as many indoors as I could. Most varieties of choleus can move in and out though they always use lose most of their leaves and need a good trim, but leaf out when the days grow longer.

And it’s hard to toss out a fern that’s been happily swaying back and forth in the breeze, but be especially careful of bees and spiders. I’ve safely brought ferns inside for years, though these are the most difficult to find a comfortable spot since my house is so small. They’ve usually ended up decorating a lobby somewhere.

Resources for toxic plants

Shelters and animal welfare organizations also have comprehensive lists  of plants toxic to cats and potentially toxic foods, visit the Humane Society of the United States for Keep Your Pets Safe and Happy During the Holiday Season and the ASPCA’s Holiday Safety Tips. Both have tips and links to information on toxic plants and “pet-safe floral arrangements”, and various potentially toxic foods. Also keep a link the the ASPCA’s Animal Poison Control Center for reference at before your purchase a house plant or bring an arrangement into the house.

Click here for more articles about “Living Green With Pets”

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All images used on this site are copyrighted to Bernadette E. Kazmarski unless otherwise noted and may not be used without my written permission. Please ask if you are interested in purchasing one as a print, or to use in a print or internet publication.


3 Comments on “Living Green With Pets: Bringing Plants Indoors”

  1. […] remember that I warned you to look for any sort of opportunists that might try to come indoors with your plants when you bring them inside. You see, this really does happen! Cookie warms her nose by the lamp; don't worry, it's […]

  2. Linda j. Chapman says:

    Morning! Thank you so very much for this in-debth article on the plants. I would like to have a few in the house but was never quite sure as to which ones. There are a few of my furbabies that do enjoy when I make them a “bowl full” of cat grass that I purcahse from Cosmic Cat. Seems to satisfy them and getting those nasty hairballs out! It’s just the clean-up that always needs to be done after! Thanks again and enjoy your articles very much! Sincerely, Linda


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