Slash Pine (Pinus elliottii)

Average to dry soil.
Full sun to part shade.
Size: 60-100' tall
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Old trees are known to support wood peckers and other wild life. Seeds are eaten by squirrels. 
Can tolerated short term flooding of brackish water. Evergreen shade tree. 

​Price: 3g- $13.99

https://www.fnps.org/plant/pinus-elliottii

https://florida.plantatlas.usf.edu/Plant.aspx?id=3239