Scrape off any excess sap with a dull knife or spoon
Freeze the fabric for 30 to 60 minutes to harden the sap, then scrape again
Apply rubbing alcohol, hand sanitizer, or an oil-based solvent to the stain
Let it sit for a few minutes
Blot the area with a clean cloth
Wash the garment in the hottest water safe for the fabric
Use laundry detergent directly on the stain before washing
Check the stain before drying
Repeat the treatment if needed
Air dry until the stain is completely gone
Avoid putting the item in the dryer until the sap is removed