USE THIS FORM TO REQUEST AN ASSESSMENT OF YOUR TREES (CLICK HERE)

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Help Keep Altadena Green

LA COUNTY IS ENFORCING ITS OAK TREE PERMIT ORDINANCE; FIND CONTACT INFO HERE.

LA COUNTY IS ENFORCING ITS OAK TREE PERMIT ORDINANCE; FIND CONTACT INFO HERE.

LA COUNTY IS ENFORCING ITS OAK TREE PERMIT ORDINANCE; FIND CONTACT INFO HERE.

LA COUNTY IS ENFORCING ITS OAK TREE PERMIT ORDINANCE; FIND CONTACT INFO HERE.

LA COUNTY IS ENFORCING ITS OAK TREE PERMIT ORDINANCE; FIND CONTACT INFO HERE.

LA COUNTY IS ENFORCING ITS OAK TREE PERMIT ORDINANCE; FIND CONTACT INFO HERE.

Links to Valuable Resources

ISA RESOURCES: TREES ARE GOOD Rebecca Latta presentation at California native plant society San Gabriel Mtns meeting (YouTube)Presentation at Sci Arc 4/8/25 (begins at minute 52)Theodore Payne Foundation: Fire Ecology in Southern California California Native Plant Society - SGM Chapter California Chaparral Institute Homepage CHAPARRAL INSTITUTE: VALUE OF DEAD TREES trees reduce stormwater runoff and flooding TREE CARE TIPS

Trees and water are precious resources

how not to get clipped

THE WORLD AROUND AND UNDER OAKS

Check out the last page for a great summary!

OAK TREE CARE

CARING FOR OLD NATIVE OAKS

ARTICLE FROM UCANR

TAKING CARE OF RESIDENTIAL TREES AFTER WILDFIRE

ARTICLE FROM ISA WESTERN CHAPTER

ASSESSING THE VIABILITY AND RISK OF TREES DAMAGE BY FIRE: A CHECKLIST FOR ARBORISTS

TREE PROTECTION

BEST MANAGEMENT PRACTICES FOR TREE PROTECTION DURING CONSTRUCTION AND DURING DEMOLITION / CLEANUP

BIRD FRIENDLY TREE AND SHRUB TRIMMING AND REMOVAL

HIRING AN ARBORIST

MULCHING TIPS:

CARE OF CALIFORNIA'S NATIVE OAKS:

DON'T TOP TREES!

TREE TAME STORMWATER

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