To qualify for this credit, does the planted area have to be 100% native/adapted, or can it be a mix?
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NC-2009 SSc5.1: Site Development—Protect or Restore Habitat
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native/adapted mix
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Tristan Roberts
RepresentativeVermont House of Representatives
LEEDuser Expert
11478 thumbs up
July 5, 2012 - 9:58 pm
Can you describe a little bit more what you have in mind?Based on what you've said so far, my response would be that the area has to be native or adapted vegetation. If a certain area is to count toward that requirement, it wouldn't make sense for it to be half turf grass, etc.
Peter Crawford
1 thumbs up
July 6, 2012 - 6:39 am
I have a similar instance where we are using native tree species planted in turfgrass area. Can you count the 5 year canopy SF of trees towards this credit being native/adapted and creating habitat?
Lorne Mlotek
BASc., LEED AP BD+C, O+MLeadingGREEN Training and Consulting Inc, Viridis EC LLC
25 thumbs up
July 9, 2012 - 9:45 am
Hi Peter,
Whenever I do my calcs for this credit I calculate the area of the 5-year canopy, regardless of what it is planted in / surrounded by.
This has never caused an issue for me or my team. Hope this helps.
Iris Amdur
PrincipalGreenShape LLC
50 thumbs up
July 10, 2012 - 7:05 pm
Thanks for the comments. I have additional information on the plant mix: The project is using a “Mid-Atlantic Blend” on the green roof (and we are planning to include the green roof area in our LEED calculations). The plants selected are adaptive but using natives for the 4” green roof profile is very difficult.
Basically, if the plants are adaptive but not all are native, can we still count the green roof area?
Karin Miller
Senior Sustainability ManagerYR&G
33 thumbs up
January 3, 2013 - 11:13 am
There are a couple of LEED Interpretations that are applicable here. One says that only intensive roof systems (growing medium of 6 inches or more) may be counted, which given your comment saying that the roof profile is 4 inches, may be an issue. The adaptive plants may be counted, but only if they provide habitat value and don't essentially result in a monoculture of similar species. The project team might consider pursuing SSc5.2 if the project is in an urban area, in which case the extensive roof approach may be used.
See the interpretations for more info:
#10231
#1898