I have bad news and good news. The bad news is there’s a fungus among us. Impatiens downy mildew (Plasmopara obducens), the mysterious ailment that denuded and killed almost every busy Lizzie (Impatiens walleriana) back in July or August of last year, is here to stay. It’s in our soil now and unlike other downy mildews that attack other species of plants, this one is happy to overwinter here in the soil. Add to that, our native woodland wildflower and poison ivy remedy, jewelweed (Impatiens capensis), obligingly harbors it without dying or even becoming particularly disfigured by it.

This coming summer impatiens downy mildew will spread by spores that germinate in humid conditions, just as it did last year. Four hours of standing water (a sprinkler system or a good soaking rain) is all it needs to move from soil to plant where it then becomes airborne. And there is no fungicide that will control it once lesions form on the leaves. Despite that, some growers are determined to keep selling the species that has been their bread and butter ever since petunias fell from favor. But their impatiens will have to be pumped full of expensive systemic fungicide in order to ensure a mere six weeks of immunity in your garden. It’s a heavy price to pay for what has been one of the least expensive and longest blooming bedding plants. Expect that cost to be passed along. Other growers are boldly refusing to propagate an ill-fated best seller and will be offering healthy and more sustainable alternatives instead. And meanwhile, breeders are working to create downy-mildew-resistant impatiens. But don’t hold your breath. They’re still years away.

The good news is it’s time for a change. Monocultures of impatiens have been planted in industrial parks, corporate and private landscapes, urban and suburban yards for quite long enough. In fact, being planted so exclusively and densely sped their demise, first in the UK back in 2003, then in greenhouses, Florida, up the Eastern Seaboard, and all the way across the more humid portions of the country in the last couple of years. And I, for one, am looking forward to seeing a little more variety in yards, gardens, and landscapes in the years to come. But then, I have never been impatiens’ biggest fan.

I understand that a flat of Impatiens walleriana was wicked cheap to buy. But didn’t those starts need water and fertilizer all summer long? I understand that, if given those things, impatiens bloomed non-stop, and in the shade no less. But did you ever see a bee work the blossoms? And didn’t you get a little bored with them by August? I have never planted them in my own garden and we don’t use them at Blithewold because—and this, really, is the good news—there are so many other gorgeous plants in the world. Some are just as, if not more, colorful; a few might bring out the gardener in non-gardeners; others will be much easier to care for. That’s the truth.

My advice to hardcore impatiens devotees: If you can’t live without them, try them in hanging baskets. And for your garden beds, rather than choosing one alternative stand-in from a long list of shade-loving bedding annuals that includes (and is by no means limited to) New Guinea impatiens (those noisy cousins are immune), begonias, torenia, lobelia, coleus, browallia, oxalis, and nicotiana, plant a kaleidoscope. Variety isn’t just the spice of life, it’s more sustainable. Celebrate all the months of summer — and treat yourself to late season surprises too — by planting tender perennials like spurflower (Plectranthus ciliatus) and fuchsias that bloom into fall and can even be overwintered indoors. And then why not add in a few perennials with fabulous foliage like heuchera, hosta, lady’s mantle, brunnera, pulmonaria, and lamium? Nowadays they don’t cost much more than annuals and, more often than not, live to brighten your beds and borders for years. Please don’t just take my word for it. Ask at your favorite local nursery for suggestions. (No doubt, they will be more sympathetic than I.) And take the good news over the bad.

Apologies to any of you who might have already read this. — It was first published last week by East Bay, RI and South Coast, MA newspapers for my column, Down to Earth.

Even though the daffodils are still blooming their little hearts out I can’t help looking forward to the next thing(s) following hot on their heels. The tulips and cherry trees are just getting going, winter hazel and crabapples are on the way. I’m pretty sure that the spring display is just going to keep getting more and more spectacular. More colorful, anyway. It may be too early to tell, but at least right now my favorite tulips are a color reverse pair in the Cutting Garden — ‘Gavota’, which is red with yellow edges and its opposite, ‘Boston’. And I’m really enjoying ‘Silverstream’ in the Rose Garden. Even though we planted them in the herb garden last year (and again this year) I had forgotten that they start out a paintbox mix of flecked yellows, pinks and reds. So pretty.

And now that we have cut back, tidied, and weeded (mostly) the gardens, divided and redistributed perennials and moved some shrubs like playing musical plants, we’re ready for what comes next. Planting new things! It’s a thrill to finally see the available real estate and begin to envision where the gardens will take us this year that I can hardly wait. But our perennial plant orders haven’t arrived yet and local nurseries haven’t quite stocked up or opened doors yet.

So in the meantime we’re using our gotta-plant energy to catch up on greenhouse work and think about moving out. In fact, the sweet peas went outside last week, ready for planting in the next couple of days, weather permitting. Next out will be all of the nearly-hardy perennials and shrubs like rosemary, phormium (some are out already and didn’t mind the touch of frost the other night), farfugium, camellias, and various and sundry salvias like S. guaranitica and S. leucantha. We’re really on a roll now even though we have to hold our horses a little.

What’s next in your garden? Are you ready to plant new things yet or are you still tidying, weeding, dividing and redistributing (like I am at home)?

I have to keep reminding myself that this is normal. It might be unusual to be getting quite so much snow, but otherwise March is really behaving as March should. — Unlike last year when there were days in the 70s and 80s and the daffodils were peaking this very minute. That wasn’t normal. And I don’t wish it was. But it’s hard not to compare this year unfavorably to last. It feels for all the world that spring is late. It’s not. In fact, this year the daffodils might just peak during Daffodil Days, right on schedule. (Fingers crossed.)

Meanwhile, there’s nothing like the greenhouse on a sunny day to cheer me up and keep me on track. This week we had one good sunny morning (between snow showers) and a few volunteers came in to help us start more seeds and groom plants. It’s amazing how even washing leaves doesn’t feel like an odious chore when you’re starved for sun and warmth. And this morning Gail and I (mostly Gail) taught a behind the scenes in the greenhouse/propagation class. It was so lovely in here we went way over our time and it didn’t seem like anyone minded. I know I sound like a broken record but I have to say it over and over like a mantra: If you are feeling as demoralized by the weather as I have been feeling, take advantage of the sun days, even if they’re chilly – especially then – and come on over. The greenhouse door — the south entrance — is unlocked. (It sticks so give it a good bump with your hip to open it.)

Have you taken advantage of any chilly sun days to visit a greenhouse? Are you, by any chance, spending time in your own?

Given that I lost patience with winter way back in December, I’m pretty excited to notice that despite weekly storms and another overnight icing of a wintery mix, spring is starting to win the tug of war. When the sun is out – and the wind isn’t blowing a gale – it’s warm enough to bask a little. Everything is dripping, the ground is squishy, and the birds are singing love songs. Looks at least partly springy out to me. I know I’m probably jumping the gun a little because March is usually disappointingly March-like but I can’t help it. I’m just so ready to see spring in the smallest signs.

The biggest sign of spring is easy enough to see – and feel: the sun is finally high enough in the sky that the greenhouse is getting cooking. By mid-morning on a sunny day over the last couple of weeks it has become so deliciously summer-like in there we have had to strip off sweaters and scarves and squint or put on sunglasses. The plants are responding to the extra light and heat by outgrowing containers, blooming away, and becoming susceptible to infestations. – Aphids and whitefly seem to love spring as much as I do. So we and a handful of volunteers have started taking sunny opportunities to keep up with the grooming and leaf washing. (We’ll try to rotate all the garden volunteers in for a vitamin-D fix.) I have followed the sunbeams around my house to do the same thing… And today Gail and I started emptying benches to make room for more plants because we’ll start some seeds this week. If that isn’t a sure sign of spring, I don’t know what is.

Missing February bloom day is my excuse for posting some gratuitous sunny greenhouse flowers (clockwise from top left): Everyone thinks this camellia (unnamed) is a double hibiscus – it’s that tropical looking. Amaryllis ‘Zombie’ has been on a blooming rampage since December. The blue Marguerite (Felicia amelloides ‘Variegata’) is also unstoppable, and completely unbothered by insects. And even though the Spanish shawl (Centradenia floribunda) will quit blooming by summer it’s worth every inch of its bench space for the flowers now.

Is it partly springy in your garden yet? Are your houseplants going nuts? When will you start your first seeds?

I can’t imagine any other plant that embodies the abundance and exuberant excess of the holidays quite like a Schlumbergera. Blithewold’s recently gifted Thanksgiving/Christmas cactus in particular maybe — though I did hear that it was a good year for Schlumbergera all around. My two at home bloomed their little arms off too – but not like this one. It’s been going non-stop since our first Friday Sparkle right after Thanksgiving and shows no signs of quitting. And every Friday, as it stops visitors in their tracks, they’ve asked me and Gail the age-old questions of why theirs isn’t blooming/why it does some years and not others/why one plant will bloom while another doesn’t?

We all know they are day-length sensitive, needing a period of darkness to set their buds. But this does not mean they should be locked in a closet for weeks at a time. Bad idea, actually, to deprive them of daylight altogether like that. Better to give them natural nights, at least 13 hours long, unpolluted by lamplight. (I use that advice as a good excuse to go to bed at a reasonable hour.)

They also need cool nights in combination with long ones and that right there might be why some refuse to bloom. As soon as we turn the heat on in the house — unless we program the thermostat for night dips into the 50s — our modern, efficient, weather-sealed houses may be too evenly modulated to toggle the temperature trigger. Leaving plants outside at least until the forecast threatens dips into the 40s will probably give them the requisite weeks of cool, dark nights.

Although my favorite tropical plant reference book, the weighty Exotica by A. F. Graf, recommends temperatures that swing only down into the low 60s, we have used this Christmas cactus to decorate the “cold” end greenhouse where night temps dip into the 40s, and I would bet that’s partly why it has held its blooms so long. As if its been preserved in the refrigerator. By contrast, my plants at home, after the first and fast glorious bloom, dropped most of their follow-up buds. It could be they’re too warm but also maybe too wet. Although the soil shouldn’t be allowed to completely dry out, it shouldn’t stay overly moist either, especially through the winter.

The schlumbergera’s popularity among even non-gardeners belies their evident finickiness and difficulty as houseplants. If they didn’t bloom more often than not and survive for years to outgrow their holiday pedestals and mantels, they wouldn’t have become the passalong favorites that they are.

Can you count on yours to bloom for the holidays? Does it stay in bloom for ages too — or at least for the 12 days of Christmas? What’s your secret of success?