Does longleaf pine need full sun to thrive?

Yes, Pinus palustris is a full sun tree and grows poorly in shaded or crowded conditions, which is why it dominates open, fire-maintained woodlands and savannas.

How much water does Pinus palustris need?

Longleaf pine tolerates a medium to low water range. It handles periodic drought well once established, thanks to a deep taproot, but also grows in seasonally moist flatwoods.

What insects or animals pollinate longleaf pine?

Longleaf pine is wind pollinated rather than insect pollinated, so it has no listed pollinators in the usual sense.

When does Pinus palustris produce pollen cones?

Pollen cone activity runs roughly from March through November, with the heaviest pollen release typically in spring.

Does longleaf pine keep its needles year round?

Yes, it is evergreen, holding long, dark green needle bundles on the branches throughout the year.

Is Longleaf Pine toxic to livestock?

The USDA PLANTS Database does not flag Longleaf Pine as toxic to livestock.

Is Longleaf Pine HOA-friendly?

Longleaf Pine takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

Longleaf Pine

Name: Pollinator Patch
Author: Pollinator Patch

Pinus palustris

Last reviewed: October 2026

Pinus palustris is a tall, fire-adapted pine of sandy uplands and flatwoods across the southeastern coastal plain, growing best in full sun with long, dark green needles held year round.

Toxicity unknown

Longleaf Pine (Pinus palustris) is not listed by the ASPCA Animal Poison Control Center (opens in new tab) or the other sources we check, so we have no verdict for it either way. Absence from those lists is not a clearance. If your pet shows symptoms after eating any plant, call the ASPCA at (888) 426-4435.

The USDA PLANTS Database (opens in new tab) does not flag Longleaf Pine as toxic to livestock.

Light

full sun

Water

medium

Size

960"–1200" H × 6"–18" W

Bloom

Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov

Native to

AL, FL, GA, LA and 5 more states

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Browse plants for this ecoregion

Piedmont Middle Atlantic Coastal Plain Southeastern Plains Ridge and Valley Southern Coastal Plain

Longleaf Pine is a majestic native Texas evergreen that can reach 80-100 feet tall with a distinctive open, irregular crown. This slow-growing pine develops extremely long needles (up to 18 inches) and produces large cones, creating a distinctive appearance among Southern pines. It's highly valued for its historical significance and exceptional longevity, often living 200-300 years.

Growing Longleaf Pine

Grow Longleaf Pine in full sun and medium water. Mature plants reach 960 to 1200 inches tall and spread 6 to 18 inches wide. Expect low maintenance to keep it looking intentional in a front yard.

In an HOA neighborhood

Longleaf Pine takes more care to keep looking intentional in a front yard. Maintenance level: low. Consider it for backyard or mid-zone beds rather than the street edge.

Works well in: backyard only.

Tree size exceeds typical HOA-friendly range

Wildlife value

Supports numerous bird species including red-cockaded woodpeckers, brown-headed nuthatches, and pine warblers. The large seeds provide food for squirrels and other wildlife, while the open canopy allows native understory plants to flourish.

Common questions

Does longleaf pine need full sun to thrive?: Yes, Pinus palustris is a full sun tree and grows poorly in shaded or crowded conditions, which is why it dominates open, fire-maintained woodlands and savannas.
How much water does Pinus palustris need?: Longleaf pine tolerates a medium to low water range. It handles periodic drought well once established, thanks to a deep taproot, but also grows in seasonally moist flatwoods.
What insects or animals pollinate longleaf pine?: Longleaf pine is wind pollinated rather than insect pollinated, so it has no listed pollinators in the usual sense.
When does Pinus palustris produce pollen cones?: Pollen cone activity runs roughly from March through November, with the heaviest pollen release typically in spring.
Does longleaf pine keep its needles year round?: Yes, it is evergreen, holding long, dark green needle bundles on the branches throughout the year.
Is Longleaf Pine toxic to livestock?: The USDA PLANTS Database does not flag Longleaf Pine as toxic to livestock.
Is Longleaf Pine HOA-friendly?: Longleaf Pine takes more care to look intentional in a front yard. Consider it for backyard or mid-zone beds rather than the street edge.

These answers were drafted with an AI model from this plant's data. Verify care details with a local expert.

Native range data from the World Checklist of Vascular Plants (Kew). Pollinator and host plant associations compiled from GBIF, iNaturalist, and published ecological literature.

If something looks wrong

Common plant problems, and what to check first

These come up on almost any plant. Each guide lists the likely causes in the order they are worth ruling out, with one thing to check before you act on any of them, and links to the source it came from.

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