indoor gardening – kristin green

(Originally published October 15, 2014 in EastBayRI newspapers.)

What was it I said about bringing fewer plants back inside for the winter? I seem to have lost my resolve. Weeks ago, when I was on a tear to be tidy I did throw a couple of plants on the compost. They were real stragglers, too unattractively unhealthy to take up precious windowsill space and probably should have been pitched long ago. Nonetheless, I felt virtuous enough to justify deferring decisions about the rest. Now every plant on my deck is like Welcome Back Kotter’s Horshack, with one hand raised to the sky, shouting, “Ooh, ooh, ooh!” and I can’t help but want to pick them all.

I remember mentioning an intention to let go of an enormous angel’s trumpet (Brugmansia) that never bloomed. As if to prove me impatient and mean it’s bedecked with buds now. Not only will it be impossible for me to compost the plant but I’ll have to give it a prime spot on my entry porch—the plantry—instead of sending it straight down cellar into the dark where it belongs for the winter. But won’t I feel lucky in a few weeks when its big, dangling, pale-yellow flowers fill the evening with lemony sweetness?

Speaking of lemony, it’s high time to find windowsill real-estate for citrus plants too. I brought the Key lime (Citrus aurantifolia) inside weeks ago when the night temperatures started to fall into the 50s but I really should offer it to any gardener who turns the thermostat up in the winter instead of layering on sweaters, as I do. Key limes are tropical and would prefer temperatures that hover in the 60s if not 70s. Come to think of it, so would I.

Meyer lemon plants (Citrus ×meyeri) can tolerate more cold—into the 40s—but will do their best winter growing and flowering in the 60s at least. They also want plenty of sun. Unfortunately, the brightest place in my living room happens to be a west-facing corner flanked on one side by our official, but rarely used, front door. I’m on the fence about spending another winter with one out of only two entrances (exits) completely blocked by a spiny behemoth. If it hadn’t set fruit and if nurseries offered trade-ins, I’d have downsized already.

My gardenia and sweet olive (Osmanthus fragrans) are also beginning to outgrow their welcome. I remember when the gardenia was just a rooted cutting at Logee’s that I added on impulse to a boxful of tiny begonias (now also huge). It was cutest thing. This winter it will entirely fill our only south-facing window. A small price to pay, I suppose, for dozens of bone-white swirly flowers that scented the backyard all summer long. The sweet olive, which these days stands as tall as a ten-year old, earns its floor space by blooming all winter and not demanding the sunniest window.

Both plants would be perfectly happy out in the plantry but I’m holding every inch of space out there not already taken by the brugmansia for my favorite tender perennial salvia, cuphea, plectranthus, and African blue basil plants. I’ll dig and pot them up just before the first hard frost because for now, they’re still busy blooming, feeding the bees, and calling to migrating hummingbirds. In the meantime, I took a bunch of cuttings so one way or another, every shelf and most of the floor, is spoken for. As long as I can get into (and out of) my indoor garden this winter, I guess I’m pretty OK with that.

What’s changed since I wrote the above: The sweet olive landed in the plantry after all and I’m enjoying how its scent greets us as we pass through. And the south-facing sunbeam in the living room that I earmarked for the gardenia is actually occupied by two cats and a dog. Maybe I won’t bring so many stock plants in after all. Have you moved any of your garden indoors yet? Can you still get through your doors and see out the windows?

(Originally published on April 16, 2014 in East Bay/South Coast Life under the headline “Don’t abandon indoor plants”)

It’s not often that I imagine my plants quoting dead poets. Or living ones for that matter. But I can almost hear my indoor collection sigh, “April is the cruellest month.” Suddenly, right when they need me the most, I have abandoned them and gone outside to garden. It’s not as if I can help it. None of us could. We’ve been waiting so impatiently for spring to arrive that as soon as the sun came out, the peepers peeped, and the ice-cream trucks started making their rounds, didn’t we all bolt out of the house like a shot, not to return until supper? Trouble is, like everything outside, our houseplants are going through a growth spurt too, which must be every bit as painful as T.S. Eliot suggests.

All winter long I was able to keep a once-a-week watering schedule. Doing the rounds every Saturday morning worked out perfectly. Plants like begonias and citrus that needed to go a little bit dry between watering did, and the ferns and ficus that needed more consistent soil moisture somehow managed to never quite dry out. The half-dormant plants out in my chilly “plantry” required watering even less frequently. Every other Saturday seemed to suit them fine.

That has all changed now. Longer days and a sun that keeps rising higher, hotter, and brighter are universal cues to get growing even for plants that spent the winter relatively warm behind or under glass. And as they begin to photosynthesize in earnest again, they take up more water from the soil and more nutrients too. Come to think of it, this is the time to begin fertilizing. If only I wasn’t so distracted by the garden outside.

Some of my houseplants have reacted to my distraction by handing out ultimatums. For many of them, wilting is a red flag signaling, “pay attention to me right this minute or I will die.” For others it’s an incommutable death sentence. The stress of abandonment and temperature fluctuations between sun-warmed days and winter-chilly nights, together with succulent new growth has also suddenly attracted infestations of aphid and scale. Since I hadn’t noticed sap-sucking populations in residence over the winter, I have to guess that they spontaneously generated out of thin air and opportunity. “April is the cruellest month.”

I’m not sure how they got word but the fully dormant plants stored down cellar in the dark seem to know it’s spring too. Perhaps warmer ambient temperatures can be credited for spurring some anemic looking new growth that begs for the light of day. In any case, it’s time to give fuchsias, salvias, tuberous begonias, fig, and brugmansia a transition and a head start on the season. They should come upstairs and in this particular household, the only way to make room for more plants is to move others out.

April nights are cold but as long as the long range forecast doesn’t mention any temperature too near or below freezing, plants like New Zealand flax (Phormium tenax), camellia, and geranium (Pelargonium spp.) that hail from temperate (rather than tropical) climes can begin to join us outside in the garden. And just like us as we venture out, they could use some protection — in their case, shade for a couple of weeks at least — to keep them from burning.

Meanwhile, all of the plants still stuck inside need attending to. They need watering much more frequently. Fertilizing. Insect patrol and grooming. Time that I’m sure we’d all much rather spend outdoors. But to lose, this close to summer, any of the plants that helped keep us sane over the winter, would be truly painful. So let’s not forget about them in April.

Any casualties in your household lately?

Tag: indoor gardening

Down to earth — my indoor garden grows

Down to earth — why my houseplants hate me

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