Native plants · Puerto Rico

Native plants of Guayama Municipio

11 plant species are recorded as native to Puerto Rico in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in Guayama Municipio by USDA PLANTS. 5 of them have growing records you can filter by light, moisture, height and estimated cold hardiness.

County summary · USDA PLANTS and Kew WCVP

Guayama Municipio, Puerto Rico

PLANTS records only 5 garden-ready natives here (under 30). County records are thin in some places; the Puerto Rico list is a useful second check.

Native species: 11 Typical Puerto Rico county: 6 (median of 74 counties)
Garden-ready natives: 5 Typical Puerto Rico county: 3
Share by type (all 11 native species): Percent of the 11 native species in each growth type

Wildflower (forb) 18% (2)
Grass or grass-like 73% (8)
Vine 9% (1)

Grasses and grass-like plants make up the largest share of the native list (73%), followed by wildflowers (18%).

Recorded native ranges can include long-established populations that spread from gardens; check your state’s native plant society list for local guidance. How native status is decided.

ZIP codes mainly in this county fall in USDA hardiness zone 13a (2023 map).

The native plant list

Garden-ready natives 5

Native species with PLANTS growing records (height, light, moisture, minimum temperature). “—” means PLANTS has no value.

Garden-ready native plants of Guayama Municipio, Puerto Rico
Plant	Type	Height	Light	Water use	Hardy to
fragrant flatsedge Cyperus odoratus	Grass or grass-like	2 ft	Sun	Medium	Zone 11b
haspan flatsedge Cyperus haspan	Grass or grass-like	3.2 ft	Sun	Medium	Zone 8a
manyspike flatsedge Cyperus polystachyos	Grass or grass-like	1.6 ft	Sun	Medium	Zone 12a
softstem bulrush Schoenoplectus tabernaemontani	Grass or grass-like	9 ft	Sun	High	Zone 3b
Spanish moss Tillandsia usneoides	Vine	—	Shade-tolerant	Medium	Zone 9b

Other native species recorded here 6

PLANTS has no growing records for these, so light, moisture, height and zone filters cannot include them. Many are wild species seldom sold by nurseries.

Canada spikesedge Eleocharis geniculata
chairmaker's bulrush Schoenoplectus americanus
shortleaf spikesedge Kyllinga brevifolia
tropical flatsedge Cyperus surinamensis
upright burhead Echinodorus berteroi
whitemouth dayflower Commelina erecta

Compared with Puerto Rico

The typical county is the median of the 74 Puerto Rico counties with PLANTS county records; the statewide figure counts every species native anywhere in the state. More species is not better or worse: counties differ in size, habitat and how thoroughly they have been surveyed.

Native species counts, Guayama Municipio and Puerto Rico
Measure	Guayama Municipio	Typical county	Statewide
Native species	11	6	253
Garden-ready natives	5	3	141
Tree	0	—	76
Shrub	0	—	5
Wildflower (forb)	2	—	88
Grass or grass-like	8	—	69
Vine	1	—	9
Fern	0	—	6

Neighboring counties

Counties that share a ZIP code with Guayama Municipio.

Cayey Municipio, PR 4 garden-ready
Patillas Municipio, PR 4 garden-ready
Salinas Municipio, PR 3 garden-ready

Source & data date

Source: USDA NRCS PLANTS Database: county distribution records, native status and plant characteristics. CC0 (public domain dedication, per the data.gov catalog record).; Kew’s World Checklist of Vascular Plants (WCVP): native or introduced status by state. CC BY 3.0.; USGS US-RIIS (ver. 2.0): species listed as introduced are excluded. CC0.
Citation: USDA, NRCS. 2026. The PLANTS Database (https://plants.usda.gov, 11/04/2026). National Plant Data Team, Greensboro, NC USA.; Govaerts R. (ed.) (2026). WCVP: World Checklist of Vascular Plants. Facilitated by the Royal Botanic Gardens, Kew. Data file dated 2026-06-04, http://sftp.kew.org/pub/data-repositories/WCVP/ (retrieved 2026-11-04). Paper: Govaerts R. et al. (2021) The World Checklist of Vascular Plants, a continuously updated resource for exploring global plant diversity. Scientific Data 8, 215.
Data date: Retrieved from PLANTS on November 4, 2026; WCVP data file dated June 4, 2026.
Zones: USDA Plant Hardiness Zone Map (2023) ZIP table: PRISM Group, Oregon State University, https://prism.oregonstate.edu, accessed November 3, 2026. Plant zones on this site are our estimate, not the official map.
Scope: Guayama Municipio (county FIPS 72057), Puerto Rico. 11 native species from PLANTS county distribution records; garden-ready = species with a PLANTS characteristics record.
Method: A species is listed when it is recorded as native to the state in Kew’s World Checklist of Vascular Plants and USDA PLANTS, and recorded in the county by USDA PLANTS. Species PLANTS labels both native and introduced are listed separately. Full method · All sources

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