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hot plant: stewartia, an ideal small tree

I LIKE PLANTS THAT EARN THEIR KEEP. By that I mean they do more than a week or two of showing off; they look good in more than a single moment, or season. The small-ish to medium trees in the genus Stewartia are a good bet if that’s the kind of multi-season interest you are looking for. Sound good?

The Latin specific epithet, or species name, of the Stewartia I grow is pseudocamellia, which roughly means it disguises itself as a camellia when in bloom (a nod to the look of its lovely and plentiful white June-into-July flowers, and the fact they are very distant relatives in the Tea Family).

But this Stewartia, from Japan, which gets to maybe 25 feet or so in a Northeast garden setting and is happy in part shade or sun, isn’t content to offer up just nice flowers for the privilege of living with you. It gives you peeling, lovely bark all season long (below), and hot fall color, too, as the leaves eventually change. I should warn that it grows slowly, so this is an investment piece, not instant success.

I like my stewartias to be multi-stem and breaking low from the base, instead of single-trunk, but such aesthetic considerations are up to you. A bigger cousin is S. monadelpha, also from Japan; S. koreana (from where it sounds like it’s from) is another showy choice. What I insist is that you at least agree to look at Stewartia next time you’re in a good woody plant nursery and think of this: What other garden-scale tree gives summer flowers (preceded by showy marble-size buds, bottom photo, by the way, in my pseudocamellia); hot fall foliage, plus winter interest in the form of textural bark and lovely structure?

Guess after reading this you already know the answer to today’s quiz, huh?

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Comments

  1. Margaret says:

    Welcome, Madeline. Not the one I grow, but I believe there are otherspecies that might do including Stewartia malacodendron and Stewartia monadelpha perhaps (not sure on last one…it’s Zone 8 hardy but I would suspect you’d have to offer it shade). Worth asking whether any nearby botanical garden has had success (or ask your cooperative extension service) for more localized information, as you know how widely conditions vary even with a “zone.” See you soon, I hope.

  2. Karlie says:

    Do you know of a source for the native stewartia? I can find the Japan variety in many catalogs and nurseries but not the native.
    Thanks

  3. Margaret says:

    Welcome, Karlie. I think there are a couple of native species — different regions — including S. malacodendron, which Niche Gardens sells, and S. ovata (not sure I know where to get that). I am not fully read up on the genus, I must admit…but maybe that was the one you wanted?

  4. I think that Karlie should check with Catskill Native nursery for the tree and we have the stewartia pseudocarmillia ~ nice blog Margaret I hope you don’t mind that I shared it on my face book ~ I thought more reader better for you right?

  5. Margaret says:

    Welcome, Victoria. Thanks for sharing. I don’t know where Karlie is located (could be anywhere in the world as the readers here are from everywhere), so not sure what her native one would be. I know that ovata is more southern Appalachian area and malacodendron is even more southerly, I think…pseudocamellia being Asian in origin (but the one I grow). And there are more… Hope to see you again soon.

  6. Ava Crawford says:

    Hello Margaret. I have a Japanese Stewartia that I planted late summer last year. It has done well, until now. The leaves are beginning to turn brown. I’m in zone 7, & last year we had the terrible November Northeaster, with the wet continuing through early March, so no lack of water. I’m not one to use fertilizers. The tree is planted on the NW side of the yard, in a raised bed & gets filtered afternoon sun. What can I do to improve & save my tree? Thank you. Ava

  7. Margaret says:

    Welcome, Ava. I have this going on with a dogwood here right now (though they are more prone to such maladies). Mysteries. No late frosts or excessive drying winds or anything that would affect the leaves, and no fertilizer, huh? You say raised bed so I am assuming it’s not suffering from some compacted/sodden/non-draining soil situation, and that when it was planted it didn’t suffer extremes of root disturbance. Are the leaves just brown at the tips or browning and falling off (with the twigs getting brittle too)?

  8. Ava Crawford says:

    Good morning, Margaret. The leaves appear to be just brown at the tips. Your assumption of all the above is correct. When it was planted, I made sure it wasn’t planted too deep. I also mixed into the soil Bio-tone Starter Plus by Espoma which conatins Mycorrhiza & beneficial bacteria, which helps to stimulate growth. As far as additional fertilizer, I haven’t added any to the tree. Mystery is correct. I just hope I don’t lose this tree. Thank you. Ava

  9. Jen says:

    Another great souce for Stewartia and many other interesting plants is:
    http://www.plantandgnome.com.

    I just received my order including Stewartii pseudocamellia, Salix sachalinensis,
    Katsura Cercidiphyllum japonicum and Callicarpa dichotoma. All arrived in wonderful condition and the prices are great.

    Margaret – I’m so pleased to have found you on your wonderful blogsite, I enjoyed your many years in the magazine world and I continue to benefit from your passions. Thanks for sharing, Jen

  10. Margaret says:

    Welcome, Jen. Thank you for the encouragement and kind words. Glad you got some real goodies; I will have a look at the nursery, thanks (don’t know it!). Always more to learn. See you soon!

  11. lee fitchett says:

    looking for stewartia ovata even the pollyhill red rose cultivar would do any help greatl;y appreciated thanks lee leef2@verizon.net

  12. Margaret says:

    Welcome, Lee. I see that Fairweather is sold out, but I expect you can get on a wait list if they will have it again. I don’t see it at any of the other usual suspects, sorry.

  13. lee fitchett says:

    found stewartia ovata at gosslers farm nursery mail order lee

  14. Bevin Harrington says:

    Hi Margaret:

    I am looking for a multistemmed Stewartia Pseudocamellia but all I can seem to find are single stemmed plants. Do you train them somehow to be multistemmed or do I just have to keep looking?

    Thanks!

  15. Margaret says:

    Welcome, Bevin. I’d ask the nurseries in your area to ask their suppliers; tell them you want one that “breaks low” on the trunk, so that it will develop into a multi-stem look. Each individual plant is different, but they should be able to help you find one with those characteristics.

  16. Suzanne says:

    Margaret:
    We have planted a multistem stewartia and all is going well-one problem…..the chipmunks one in particular are climbing up and eating buds! Please help….any suggestions??? They are tormenting me!!!!
    Thanks,
    Suzanne

  17. Margaret says:

    @Suzanne: It’s much like squirrels: Short of trapping them, I don’t know anything that deters chipmunks from their appointed rounds…which here can be anything from eating tree and shrubs buds to denuding vegetable and fruit plants to digging up every seed I plant and on and on. We are having a bumper chipmunk year in 2010 here, and their mischief is everywhere. Wish I had a solution.

  18. Mary-Jane Emmet says:

    I have five stewartia pseudocamellias which are dong fine. I think the main thing is to keep them watered for the first two yrs. They do not like drought. Japanese beetles are somewhat fond of them but the trees have survived happily.

    mje

  19. balsamfir says:

    Just planted S. Koreana last week after reading that it lived in Minnesota and Orono Maine. Its a bit risky, but who could resist. If you’re looking for one I got mine at Rocky Dale in Bristol Vermont and they had a few more. I’d call first if driving a long way.

  20. Madeline says:

    I love my Stewartia. My landscaper planted it next to my patio as part of a large landscaping project 5 years ago this August. Here is Central NJ, the flowers have bloomed and gone…we loved them. Question: Is there a prescribed way to prune Stewartias? Because ours is next to the patio some of the lower branches (we have multi trunks) are intruding on living space.
    Thanks.

  21. Trish says:

    I planted a Stewartia about 3 months ago in full sun. I live in central New York, zone 4. It seemed to be doing great, but today I noticed that the buds are being eaten and a number of leaves are turning brown and crinkling. Some more leaves are being eaten by something that results in the leaf looking like lacework. After reading the previous posts, I now assume chipmunks have been busy feasting, but what about the brown crinkling leaves and the ones that now resemble lace? Is is Japanese Beetles? I don’t see any bugs crawling around. Could the browning leaves be a result of an abundance of rainfall? Please help.

  22. Margaret says:

    Welcome, Trish. I wonder if it’s not just some form of reaction to the transplanting (the browning, I mean). The first year in the ground plants can sulk, or even rebel. You have to be very careful with deep, regular watering and especially in a full-sun spot.

    For lacey and skeletonized leaves, look at this diagnostic page from the University of MD that gives some photos of various forms of leaf beetles and what they can do to trees, to see if you find something familiar, or better yet, start on this page about afflictions of tree leaves and try to narrow the diagnosis somewhat (since I cannot see what’s up from here).

  23. Victor says:

    wow. what a killer small tree / large shrub. thank you for this…and I am glad that I have bookmarked your blog, it is one of the best stops on my chain of links.

  24. Margaret says:

    Welcome, Victor. I am glad to “meet” you and show off the Stewartia as well…such a lovely thing it is. Hope to see you again soon.

  25. Deena says:

    Hi Margaret – My Stewartia is 3 or 4 years old. It seems to bloom only every other year. Is that normal?

  26. Margaret says:

    Welcome, Deena. Not to worry; it takes some years to shape up into a consistent bloomer, I think, so be patient. I’m assuming it’s maybe 6 feet tall or something now? Mine (more than 15 now) blooms a lot more than when it was young.

  27. Adrienne says:

    Hi Margaret, This year I purchased a Stewartia Ovata. It arrived in a small pot, and was perhaps 6-7 inches tall in spring. I could not find any images of it at that early stage of growth. Quite frankly, I wondered if it had died. It seemed too small to plant, either the landscaper’s lawnmower would get to it or my son would knock it out with a soccer ball. So I waited until I could wait no more. A couple of weeks ago, I just planted it in the middle of my vegetable garden. At least it would be safe-it was just so forlorn sitting in my back patio. I still don’t know if it is alive or not, but the branches seem flexible. My question is, would you recommend any specific type of fertilizer? My other concern is that with this heat, fertilizer might not be such a good thing. I am new to gardening, this year I have a vegetable garden for the first time, so the soil is quite rich with organic material.

  28. Margaret says:

    Welcome, Adrienne. No matter what kind of tree or shrub (or any plant for that matter), I almost never feed when something’s stressed/ailing. I liken it to eating a big dinner right after surgery — not good for the body, right? Keep it well-watered, perhaps erect a shade structure (wire hoops or bamboo canes, a piece of light fabric, clothespins) to keep it from cooking, and see what sprouts. But no food — good instinct on your part. :) See you soon again!

  29. Carolyn says:

    Hi Margaret- Last September we planted a Stewartia. It looks healthy this year but it never flowered– I noticed in the Spring that there were buds on it that looked brown and dried. Any chance the flooding rains we had in late winter (in Massachusetts) caused the problem? Should we just hope for better next year? Should I pinch those dried up buds off?
    Thanks!

  30. Margaret says:

    Welcome, Carolyn. So many things can hamper flowering on a recently planted tree, in my experience. I try not to panic unless I see other signs of ill health or weakness…and I of course keep things well-watered when they are adjusting the first few years. Give it a little more time to adjust.

  31. Deena says:

    Hi Margaret – My Stewartia is actually about 10 or 12 feet tall. many leaves have brown edges now. Should i water a lot more ? deep watering? Should I thin out so ” the birds can fly though” as my gardening friend advises? Do I need to fertilize now or in spring?

  32. Margaret says:

    @Deena: At this time of the season, I’d just keep deep watering (right through when the ground freezes) but don’t prune (possibly stimulating new growth accidentally) until spring. No fertilizer for woody plants beyond July here — again, gets them growing when they should be planning to wind down for fall and winter.

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