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Posted by Steve Bender, March 4, 2009 in Annuals and Perennials , Houseplants

Are you looking for a plant with stunning flowers and handsome foliage that's easy to grow and only a total idiot could kill? Then you want a nun's orchid.

Nuns_orchid1 .

Yeah, yeah, I know. You're afraid of orchids. You think orchids are demanding, finicky, expensive, and too much trouble. Well, listen up. If all men thought like that, we'd never have gotten married.

Nun's orchid (Phaius tankervilliae), in my overbearing opinion, is the easiest of all orchids to grow -- as easy as just about any houseplant you have. I got mine from a friend as a small division some years ago and it quickly multiplied to fill a 14-inch pot. Every year, it produces a spectacular floral display. Green spikes, looking a little like asparagus spears, skyrocket 5 to 6 feet tall. They bear dozens of fragrant, 2-3 inch blooms The blossoms are creamy white outside, amber-brown inside, with a purple lip. Hybrids offer some really wild colors, including orange and gold.

Now let's talk foliage. Honestly, the foliage of most orchids looks like garbage -- nothing you'd really want in the house unless you're one of those obsessive recluses who collects balls of string and burned-out light bulbs. But nun's orchid foliage is attractive. Large, broad, rich green leaves remind me of cast-iron plant (Aspidistra). They're pleated and marked by prominent parallel veins, kinda like my legs.

Just kidding. I have gorgeous legs.

Nun's orchid is a terrestrial orchid, meaning that it grows in soil. It blooms once a year, in late winter and early spring. It's hardy outside in the Coastal and Tropical South (Zones 9 and 10), where it likes good soil and light shade. (Hot sun burns the leaves.) Indoors, it likes bright, indirect light and good drainage. The one shown here I photographed in the Southern Living lobby. We like to put on a good show for you people, so you'll think we know what we're doing and will do everything that we say.

The Grump lives in the Lower South (Zone 7B), where it often gets cold in winter, (26 degrees this morning). I bring mine inside to a bright window for the winter, then take it outside to the shade from spring to fall. Feed it monthly during the warm months with liquid 20-20-20 fertilizer. About the only serious problem you have to watch out for is scale. Small brown bumps on the stems and leaves accompanied by sticky honeydew are sure-fire signs of scale. I try picking off the scales and then spraying all leaf surfaces with horticultural oil. But if a leaf gets too infested, I just cut it off and throw it away.

Go to the greenhouse and get thee a nun's orchid! You'll find it's a hard habit to break.

Can't find nun's orchid locally? For a mail-order source, click here.

Comments

Wow! That is really gorgeous! (I was referring to the plant, not your legs. I've never seen your legs. Maybe we could get a side-by-side shot for comparison.)

Posted by:Lianne | March 04, 2009 at 09:11 AM

Who're you calling an idiot? I grew them fine in L.A., but here in Tampa, I don't know...what do you think? It's all new to me here, and it does freeze here you know. I would love a response...don't want to throw $$$ away for disapointment and I'm not up to dragging them in.
Ms.

Posted by:Ray | March 11, 2009 at 09:29 PM

Well, I've seen them growing just fine outdoors in Lake Wales, which is the same latitude as Tampa, but doesn't benefit from the moderating close proximity of water like Tampa does. So I'd try them.

Posted by:Grumpy Gardener | March 12, 2009 at 12:28 PM

I have a new Nun's Orchid that I purchased from a florist. It's blooming beautifully now, but I think it would do better in a larger pot. Is there a certain type of soil that I should use? What about drainage?

Posted by:Kelly | March 24, 2009 at 10:27 AM

I would use regular commercial potting soil. Make sure it's somewhat moist when you add it. If it's dry, it will repel water, so just add a little water and stir before you use it. The pot should have a drainage hole so that excess water can escape.

Posted by:Grumpy Gardener | March 24, 2009 at 11:41 AM

What causes keafs to turn yellow, we have a full grown
Nun's in side It reall looked
good in the begining, blooms
were jusy beautful, but
now leaves are truning.
any advice....

Posted by:philip T Palmer | March 27, 2009 at 09:39 AM

You said to use 20-20-20 in warm months. Is there a time when you should switch to a bloom fertilizer? Is there a rest period when it should not be fed at all?
thanks

Posted by:Patricia | March 27, 2009 at 04:27 PM

Philip,
If you just recently brought the plant home, it may simply be adjusting to the new growing conditions in your home. Cut off the yellow or brown leaves, feed it as outlined above, and it should send out new green foliage.

Posted by:Grumpy Gardener | March 28, 2009 at 07:43 AM

Patricia,
In general, you shouldn't feed a plant that's not actively growing. That usually means winter. As far as fertilizer, I don't think there's much difference between 20-20-20 and bloom-booster.

Posted by:Grumpy Gardener | March 28, 2009 at 07:45 AM

I got mine from my aunt's funeral . . . it was far too expensive for me otherwise! I feed mine with Espoma's organic Plant-tone fertilizer once a month. I gave the 3-gal pot about 3/4 c of superphosphate after it had finished blooming last year. This year, it rewarded me with 13 scapes and well over a hundred blooms!

And here's something really neat . . . after it finishes blooming, you can take those flower stems, cut them into pieces, one node per piece, and then root them up! My reference said it takes about six weeks to get a new little baby orchid going.

Posted by:Leigh Williams | April 09, 2009 at 01:21 AM

That's a great tip, Leigh. From now on, when anyone asks about nun's orchid, I'm going to refer them to you.

Posted by:Grumpy Gardener | April 09, 2009 at 04:53 AM

Steve, here's the secret . . . I don't actually know anything, but I can Google up a storm!

My nun's orchid has been in bloom for almost a month now. But I'm itching for it to finish up so I can start propagating a bunch of babies. Just think what a great gift they'll make as a passalong!

Posted by:Leigh Williams | April 11, 2009 at 09:11 PM

Aw now, you're gonna make me cry.

Posted by:Grumpy Gardener | April 12, 2009 at 05:07 AM

so don't put a nun's orchid in the bright direct sun outside?

Posted by:cindy | April 19, 2009 at 03:19 PM

Nope. It'll burn the leaves. Give it light shade.

Posted by:Grumpy Gardener | April 20, 2009 at 09:48 AM

My nun orchid just finished blooming. Is is necessary to cut the stalks down or should I leave them alone?

Posted by:Leyla Dogan | April 25, 2009 at 07:00 AM

As Leigh commented above, you can cut and root the flower stalks if you want to propagate the plant. Otherwise, just cut them off.

Posted by:Grumpy Gardener | April 25, 2009 at 05:33 PM

I live just north of Seattle and bought a nun orchid in Jacksonville last spring. It was blooming when I bought it and I kept it inside until early summer when I planted it in a shady spot in my garden. I brought it in today in regular garden soil and am hoping to winter it over inside... I read through all the posts and am cautiously confident that I can do it... I have Phael's that bloom over and over for me so why not a nun? I'm hoping that by next spring it will look like yours pictured above! Will let you know!

Posted by:Mikki | November 14, 2009 at 06:20 PM

Help. I must be an idiot. I was sent a bare root Nun's Orchid, looked very healthy. Planted it in good quality potting soil (Miracle grow). I planted only the roots not the base of the plant. The leaves are all dying and it does not look like it will make it. I have it indoors in East/South facing window, in a spot where it gets only bright light no sun on it. What can I do to save it? I so want this plant to live and thrive.

Posted by:Lynn | November 16, 2009 at 12:45 PM

Mikki,

I still have mine outside in a pot. I've found it will take temps in the upper 30's with no problem. I'll bring it inside before a hard freeze. Let us know how yours does. Only thing to watch out for indoors is scale.

Lynn,

Hard to say what's wrong with your plant. Does it have good drainage? Was the potting soil dry when you planted it?

Posted by:Grumpy Gardener (aka His Excellency) | November 17, 2009 at 01:25 PM

Potting soil was moist, not soggy and it has good drainage. I took it out of the pot today. All of the original roots died, so I cut them off. Many small roots starting to grow from the bottom and side now. I cut off all the dying foliage which left three healthy leaves. Hope this is going to get it going.

Posted by:Lynn | November 17, 2009 at 06:31 PM

Nun's orchid is easy to grow from divisions (that's how I got mine and it quickly filled a big pot), so I think yours will be fine.

Posted by:Grumpy Gardener (aka His Excellency) | November 18, 2009 at 03:18 AM

Thank you so much for the encouraging words. I will let you know how it does. As soon as it grows a new leaf I will feel better. : )
Lynn

Posted by:Lynn | November 19, 2009 at 01:51 PM
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