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Heath sedge carries a local placement warning despite a low fire-hazard score elsewhere in central Texas.
That combination leaves Carex flacca with mixed evidence.
Travis County's Texas A&M AgriLife Extension page lists blue sedge, the same species, among plants excluded from its innermost landscaping zone. Zone 1 extends 30 feet from a structure; the listed plants are to be confined to Zones 2 or 3. This is an explicit siting instruction for anyone using that guidance.
Sun City's Firewise Group assigns blue sedge a low flammability hazard. Its scale addresses how readily vegetation sustains hot burning. The low score is favorable, but supplies a different kind of information from the county's distance-based restriction.
Heath sedge is recorded as introduced in Michigan, New York, Ohio, and Vermont. For the fire question, however, the consequential distinction is between those two Texas findings: a low hazard label and an instruction to leave the closest 30-foot zone unplanted with this sedge.
Form
grass
Rated in
Austin, Texas; Georgetown, Texas
On this lot
1. Fire evidence and conditions
Fire evidence
Mixed evidence — location does not change the cited classification.
Sun City Texas, Georgetown (TX footprint); partial normalized coverage · 2015-01-14
The guide is authored for the Sun City Texas community in Georgetown. FireApproved publishes 142 exact owners only as community-level context. It is an archived HOA exhibit with unknown rating lineage, not a current statewide Texas source or an independent Tier 1 determination.
Travis County, Austin area (TX footprint); partial normalized coverage · 2024-01-16
Texas A&M AgriLife Extension publishes this page through its Travis County horticulture program. FireApproved publishes 56 exact owners and retains the source's zone and warning conditions. This is county/Austin regional context, not a second statewide Texas table or site clearance.
2. Why this plant is relevant here
State distribution
Documented in MI, NY.
Native range
Introduced / established
5 sourced range or established records. This is not an invasive warning.
USDA hardiness
3. Legal, ecological, and broader status
Legal-list status
Seed-list status
Reported invasive here
Broader regional context
Federal context
How to read this page
The status above is computed from the cited rows below: independent recommendations can support a fire-resistant result, an avoid row can produce keep-away, and disagreement stays visible as conflict. Placement notes preserve each source’s own scheme rather than translating unlike rules into one scale. This is evidence about a plant, not permission to plant it in every part of the defensible space; Zone 0 remains noncombustible.
Native and introduced range evidence
These are exact U.S. botanical-area records from the cited range source. Native and
introduced describe biogeographic relationship, not fire performance or planting approval.
Doubtful and extinct rows stay visible but do not count as current presence.
The lossless worldwide derivative is retained once in the research corpus; object pages repeat only exact U.S. areas needed by the local lens. The JSON twin carries the same page assertions.
Where its sources say to plant it
Placement rules below use each source's own distances or named zones, tied to its rating.
They are not interchangeable with the directory's current Zone 0 guidance.
Firewise Landscaping: Ground Cover [Travis County Firewise page sections] (with its avoid rating)
Firewise Plant Guide: Groundcover [Sun City plant-table sections] (with its recommendation)
The evidence
Grouped by what each source concluded. Primary evidence rated the plant itself
(a lab, field program, or original curation); corroboration compiled or
republished another source's rating and resolves to its root lineage.
The table rates Sedge, Blue — Carex flacca low for flammability hazard, defined as the ease a plant can burn at high temperatures for a prolonged time.
“Plants to Avoid for Zone 1 (within 30′ of Structure)”
Listed as Sedge, Blue — Carex flacca. The page says Zone 1 entries should be restricted to zones 2 or 3; all-zone entries are highly flammable due to volatile oils or growth habit.
