Cat Claw AcaciaArizona's Toughest Native Wildlife Tree Cat Claw Acacia The Cat Claw Acacia (Senegalia greggii) is Arizona's toughest native desert tree shrub, built for the harshest conditions the Sonoran Desert can produce. Named for its distinctive curved, hook like thorns that grab like a cat's claw, this resilient native is a cornerstone of Phoenix Valley wildlife gardens, desert wash plantings, and naturalized landscapes. Fragrant creamy yellow flower spikes

Stake if needed — use stakes and soft ties to support the plant until roots establish (3–6 months)

Once the root system is anchored (after the first year)

each staked plant spreads 6 to 10 feet wide

filtering canopy provides gentle dappled shade without blocking views or overwhelming a space

or white right through triple-digit heat and reflected heat off walls and pavement

graceful weeping branch tips

colorful Arizona landscape

Plan for its full size when choosing a location — it needs plenty of room

and the bright yellow-green flower clusters in late winter to spring add a cheerful pop of color

Mulch heavily — 3–4 inches of organic mulch (bark

Fall (Oct to Nov): Prime planting season in the Valley

Winter (Dec to Jan): Largely leafless and dormant