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Drift roses: salt tolerant?

Posted on 9/29/22 at 11:32 am
Posted by tigerfoot
Alexandria
Member since Sep 2006
56625 posts
Posted on 9/29/22 at 11:32 am
New pool here, saltwater.

Plantings on the end of the pool where the overflow dumps into a french drain has drift roses. The ones on that end are doing terrible. We have some on the part of the landscaping that has zero salt exposure. Salt is running 3200 ish ppm on average.

The ones with zero exposure are doing pretty poorly as well, both sets are irrigated.

Three questions:

1.) What to add to drift roses to insure they are fed well enough.
2.) If they are not salt tolerant, what compact blooming plant may be a better choice.
3.) Overall does anyone have trouble with salt water affecting grasses and landscaping. I researched a little and thought that the zoysia sod, drift roses and grasses selected would tolerate, but appears not as well as I hoped.

Posted by DomincDecoco
of no fixed abode
Member since Oct 2018
10928 posts
Posted on 9/29/22 at 12:16 pm to
not sure about the salt questions, but this is all i use on roses...knockouts or drifts

Posted by CrawDude
Baton Rouge
Member since Apr 2019
5295 posts
Posted on 9/29/22 at 12:50 pm to
Really don’t know the salt tolerance of drift roses but I can tell you redfish and speckled trout can live in 3200 ppm salt water and I’m sure roses can’t. If in some fashion the roses’ root systems were exposed that high salinity surely they wouldn’t survive but I assume that’s not the case. Is the French drain solid, non porous drain pipe?

You said it’s a new pool. When were the drift roses planted? If they were “recently” planted in the heat of summer it could be transplant shock - not uncommon for many newly planted shrubs to exhibit transplant shock and look terrible the first summer when planted in heat.
Posted by tigerfoot
Alexandria
Member since Sep 2006
56625 posts
Posted on 9/29/22 at 12:58 pm to
the drain, as I understand it was placed under the bed I am referencing, I am not certain how it was constructed. May have to pipe it out to edge of yard.

The back wash pipe pumps out a ton of waer and the zoysia around it is thick and lush, so I think the grass is ok.
Posted by CrawDude
Baton Rouge
Member since Apr 2019
5295 posts
Posted on 9/29/22 at 1:10 pm to
There are couple landscape architects and landscapers that post on this board, I’m sure they’ll be able to provide more insight when they see your post. I’d assume if porous drain pipe was up used with roses on top it could be an issue, but if it’s solid I wouldn’t think so.
Posted by FLOtiger
Member since Nov 2020
150 posts
Posted on 9/30/22 at 3:14 pm to
Drift roses can be finicky to start.
Make sure they aren't planted too deep (wet).
That much salt is eventual death for almost everything.

1) rerouting your overflow. The plants aren't hungry. Probably ph lockout for nutrient issues due to the salt
2) not much. Bougainvillea, blanket flower, beach daisy might work but winter could be an issue. Annual flowers might be the way to go.
3) zoysia should be ok if it gets enough water to flush out the salt.

Get your overflow into an underground drain pipe that goes away from everything.
Solid pipe with a box on each end. No French drains.
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