๐ŸŒฟLawn Schedule
Zone 11aTransition Belt

Lawn Care Schedule for Hilo, Hawaii

Hawaii's year-round tropical climate means lawn care is driven by the rainy versus dry season rather than temperature โ€” St. Augustine and Bermuda grow continuously, with water management during the dry season being the primary challenge.

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Local Pests & Diseases

Chinch bugs and sod webworms are common year-round pests in Hawaii's warm-season lawns, requiring ongoing monitoring rather than a single seasonal treatment.

Recommended Grass Types for Hilo

Month-by-Month Treatment Calendar

January
WateringOptional

Minimal irrigation needed during San Diego's mild, dry winter

February

Light winter feeding possible given the near-continuous mild coastal climate

March
FertilizationRecommended

Spring feeding as growth picks up

April
FertilizationRecommended

Continue spring feeding

Post-EmergentRecommended

Treat emerged weeds

May

Warm-season lawns begin active feeding

WateringRecommended

Irrigation needs rise gradually โ€” coastal marine layer keeps demand milder than inland Southern California

June
AerationCritical

Aerate warm-season lawns during peak growth

WateringCritical

Consistent watering through the dry season

July
WateringRecommended

Peak irrigation demand of the year, though rarely extreme this close to the coast

August
FertilizationRecommended

Late-summer feeding

WateringRecommended

Continue efficient irrigation

September
FertilizationRecommended

Fall feeding as the mild season continues

October
FertilizationRecommended

Continue fall feeding

November
WateringOptional

Reduce irrigation as the mild wet season typically returns

December
WateringOptional

Minimal supplemental watering needed most years

Related Guides

Treatment Guides for the Transition Belt

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