Species Sagina subulata (Irish Moss, Scotch Moss) | Known

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Names

Scientific name: Sagina subulata
Common name: Irish Moss, Scotch Moss

Measurements

Height: 1 - 2 in
Spread: 9 - 12 in
Growth Rate: Moderate

Requirements

Hardiness zones: 4a, 4b, 5a, 5b, 6a, 6b, 7a, 7b, 8a, 8b
Sunlight: Full Sun, Partial Shade, Partial Sun
Soil Drainage: Moist but Well-drained
Soil type: Loam, Sand, Chalk
Soil pH: Slightly acidic (6.1 - 6.5), Neutral (6.6 - 7.3), Slightly alkaline (7.4 - 7.8)

Physical Traits

Lifecycle: Perennial
Leaf lifecycle: Evergreen broadleaf
Foliage color: Medium Green, Dark Green, Yellow-Green, Deep Red/Burgundy
Bloom time: Spring, Summer
Bloom color: White
Seasons of interest: Spring, Summer
Propagation methods: Seeds, Division

Taxonomy

Taxonomic Rank: Species
Author: C.Presl
Publication: Fl. Sicul. : 158 (1826)

Superior Taxa

Kingdom: Plantae
Subkingdom: Pteridobiotina
Phylum: Angiosperms
Order: Caryophyllales
Family: Caryophyllaceae
Genus: Sagina

Synonyms

Spergula subulata Phaloe subulata Spergella subulata Alsine subulata

References

How to Grow and Care for Irish Moss, The Spruce, https://www.thespruce.com/irish-moss-plant-profile-5070468, accessed November 5, 2024

Irish Moss: A Guide From Growing to Propagation, Planet Natural Research Center, https://www.planetnatural.com/irish-moss/, accessed November 5, 2024

Sagina subulata (Irish Moss) | North Carolina Extension Gardener Plant Toolbox, NC State Extension, https://plants.ces.ncsu.edu/plants/sagina-subulata/, accessed November 5, 2024

Sagina subulata (Irish Moss), Gardenia, https://www.gardenia.net/plant/sagina-subulata, accessed November 5, 2024

Irish and Scotch Moss, Sagina subulata and Arenaria verna – Wisconsin Horticulture, Wisconsin Horticulture, https://hort.extension.wisc.edu/articles/irish-and-scotch-moss-sagina-subulata-and-arenaria-verna/, accessed November 5, 2024

World Flora Online, http://www.worldfloraonline.org/, accessed June 20, 2024