Houseplants forum: Dracena indivisa

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Name: Deb
Pacific NW (Zone 8b)
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Bonehead
Apr 30, 2017 3:48 PM CST
This is sold as a tender annual outdoor plant in my area, typically as a 'thriller' for containers. I am wondering if I could grow it indoors? The closest match I could find in our database is Cordyline indivisa which has a common name of Blue Dracena, so perhaps the same plant? If it would be suitable for an indoor plant, how tall can I expect it to get?
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Name: Lin
Florida (Zone 9b)

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plantladylin
May 1, 2017 6:51 PM CST
Gee, these names are so confusing!

Catalogue of Life shows Dracaena indivisa is a synonym for Cabbage Tree (Cordyline australis) and yet they have listings for Cordyline indivisa as an accepted name.

Cordyline indivisa (G.Forst.) Endl. Species accepted name

Confused Confused Confused

Wikipedia says Cordyline australis is grown as an ornamental in Northern hemisphere countries with mild maritime climates, including parts of the upper west coast of the U.S. It states that it does not do well in hot tropical climates like Queensland, Southeast Asia and Florida. Our database doesn't show growing zones for C. australis but the San Marcos Growers site states winter hardiness of 15ºF and the Missouri Botanical Garden site shows it for zones 9 to 11 while another site showed it for zone 8b to 11. Another site (Cal Poly) also listed zones 9 to 11. Confused Confused

Further googling, I found a site called Oregonlive.com that showed C. australis for zone 8 but stated that in the Willamette Valley, Cordyline australis should be placed on a west or south side where it will be protected from cold east winds and that it needs full or nearly full sun and good drainage.
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Name: Alyssa Blue
Ohio (Zone 5b)
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AlyssaBlue
May 2, 2017 7:54 AM CST
I don't know why you couldn't grow it indoors. We already grow so many things that are small as houseplants, but are giant in the wild. Can't hurt to try- draecenas are very cool. In fact, I don't think they get enough credit for being cool.
Name: Deb
Pacific NW (Zone 8b)
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Bonehead
May 2, 2017 7:59 AM CST
I was initially looking at the houseplant selections, which all ran in the $12+ range depending on size. Then, as I walked outside, I noted this dracena which was already 2' tall and about $5 or so (I forget exactly). I do know they are intended for one-season outdoor containers, but perhaps I'll just give one a whirl inside and see how it does.
I want to live in a world where the chicken can cross the road without its motives being questioned.
Name: Lin
Florida (Zone 9b)

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plantladylin
May 2, 2017 9:05 AM CST
Wow, a 2 foot tall plant for $5 ... definitely worth a try as an indoor houseplant. If it gets too tall, you can always chop the top off and it should begin to sprout new branches just below the cut. The stem you cut off can be rooted for another plant.
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Name: Carter Mayer
Houston, TX (Zone 9b)
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Carter
May 2, 2017 1:37 PM CST
This apparently is a finicky, not so easy to grow plant, tho I have no personal experience with it. I wouldn't consider this any more than experimentally root hardy in zone 8b ...with heavy mulch ...and a mild winter ...on the south side of a building for protection.

Although from what I've read, plants often sold as Cordyline indivisa are actually Cordyline australis (which, also apparently, are not synonymous names). Cordyline australis - though not necessarily anymore winter hardy - does seem to be a much easier plant to grow.
Name: Laurie b
Western Washington (Zone 7b)
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lauriebasler
Jun 2, 2017 11:34 PM CST
If you have great light, I think it will grow. I wonder if they are one of those plants that are difficult but love the Pacific Northwest climate, so they are not too tough here. I have had them in pots many times. I see them in planters in front of stores, or planters cared for by cities, and they are thriving. I don't have the light in my house to grow something that wants that much light. If you do, good luck. It will be fun to hear how it does.
Name: Karen
NM (Zone 7b)
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plantmanager
Jun 9, 2017 7:36 PM CST
@lauriebasler. It's great to see you back here. Please treemail me!
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