Red Pine

Red Pine

Pinus resinosa

Plant Type
Tree (Evergreen)
Landscape Layer
Canopy
Sun
☀️ Full Sun, ⛅ Part Sun, ☁️ Shade
Moisture
🏜️ Dry, 💧 Regular
Soil
Loam, Sand, Silt, Rocky / Acidic
Bloom
April, May
Sociability
S2 – Small groups

Pollinator Value

🔑 Keystone
Pinus is a top-tier keystone genus supporting 232 lepidoptera species in the Outaouais ecoregion. Red pine provides critical larval host resources for 59 unique insect species, including the Eastern Pine Elfin (Callophrys niphon) which uses Pinus as its exclusive larval host. The evergreen canopy furnishes year-round cover and nesting habitat for songbirds, while persistent seed cones supply winter forage for crossbills and other seed-eating birds [S10, S72].

S13 S14 S10 S72

🐛 Larval Host
Panthea furcilla, Cupido comyntas, Glaucopsyche lygdamus, Colias philodice, Amorpha juglandis, Limenitis arthemis, Papilio glaucus, Acronicta funeralis, Callosamia promethea, Campaea perlata, Paonias excaecatus, Actias luna, Euclea delphinii, Lophocampa caryae, Schizura concinna

S13+S15 15 verified Eastern NA

🐝 Specialist Bee Host

LLM: S17 matching lines show bees specializing on Fabaceae/Cercis/Vaccinium, not Pinus; no confirmed Pinus pollen specialist found

❄️ Winter Food Source
Red Crossbill (Loxia curvirostra) feeds on red pine seeds. Additional winter seed consumers include White-winged Crossbill, Pine Grosbeak, Black-capped Chickadee, Red-breasted Nuthatch, and Dark-eyed Junco. Seeds ripen October to February and cones are persistent [S29, S11], providing a reliable mid-winter food resource. The evergreen crown also offers thermal shelter for roosting birds.

S57 S10 S29 S72

Ecology & Conservation

Proximity Score
0
Native Status
✅ Outaouais ✅ Ottawa ✅ QC ✅ ON
Closest Direction
Local
CEC Eco-Regions
5 – Northern Forests, 5.2 – Mixed Wood Shield, 5.2.3 – Algonquin/Southern Laurentians
Rarity Notes
Globally secure (G5) and nationally secure in both Canada (N5) and the US (N5). Not listed under SARA. Ranked S5 in both Ontario and Quebec. While secure range-wide, local populations may be declining due to fire suppression, which limits natural regeneration. Frequently planted throughout its range, complicating the distinction between native and introduced populations [S62, S7].

S22 S26 S61 S62 S7

Rarity Ranks
QC S5 – Secure, ON S5 – Secure
Migration
Stable
Ecological Context
Red pine occupies a narrow ecological niche on well-drained, nutrient-poor sandy and rocky acidic soils in the boreal-mixed forest transition [S6, S10]. It is a fire-dependent species requiring periodic burns to expose mineral soil for seedbed preparation and to eliminate competing vegetation. In the Outaouais, it occurs on sandy plains, rock outcrops, and ridge tops, often associated with jack pine (Pinus banksiana) and white pine (Pinus strobus) [S7, S10]. Gillett & White (1978) recorded it as common on the Quebec side of the Ottawa-Hull region.

S6 S10 S61 S7 S63

Permaculture & Companion Planting

Roles
Fire Retardant, Fortress/Barrier, Wildlife Habitat

S73/S29/S72 Evidence: Fire Retardant: S73 [HIGH]: S11 Fire Resistant = Yes (definitional)] | Fortress/Barrier: S10 keyword match: prickl (supporting signal only); S61 keyword match: spines? (supporting signal only)] | Wildlife Habitat: S72 Hemenway (tables: 7-2, pp. 116)]

Notes
Functions as a canopy anchor in sandy-soil woodland guilds, providing persistent evergreen cover and windbreak structure [S29, S72]. Its deep lateral root system stabilizes sandy soils. Leaf litter terpenes may inhibit germination of some understory species, so companion plantings should favour acid-tolerant, pine-adapted species. Hemenway lists pine for seed (Sd), shelter (Sh), and nesting (Ns) bird services.

S29 S72 S10

Medicinal Properties

Always consult a qualified healthcare provider before using any plant for medicinal purposes. The information provided is compiled from secondary sources for educational purposes only.

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Category
Antiseptic, Analgesic, Diuretic, Rubefacient, Stimulant, Vermifuge, Vulnerary

S29 S28 Moerman Drug categories: Cold Remedy, Stimulant, Analgesic

Notes
Turpentine from the resin is antiseptic, diuretic, rubefacient, and vermifuge, used internally for kidney and bladder complaints and externally for skin wounds, burns, and boils. Algonquin Tete-de-Boule applied inner bark poultice to the chest for strong colds. Ojibwa used powdered dried leaves as an inhalant stimulant and a decoction of leaves and bark in herbal steam baths for headache and backache. Potawatomi used leaf fumigant to revive comatose patients. Listed as an approved herbal ingredient by Health Canada NHPID.

S29 S28 S36

Edibility & Foraging

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❌ Not Edible   

Foraging Notes
Not traditionally consumed as food. A vanillin flavouring can be obtained as a by-product of resins from the pulpwood. PFAF edibility rating is 1 of 5. Moerman records no food uses among Indigenous peoples.

S29 S28 S11

Toxicity
△ Low Toxicity

No toxicity reported [S38, S11]. Wood, sawdust, and resins from pine species can cause contact dermatitis in sensitive individuals. No alkaloids or systemic toxins documented.

S38 S11 S29

Seed Source

  • Blue Sea
Red Pine