Avocado

Two avocados still on the tree
Event

Growing Avocados on the Central Coast

Apr 24, 2025

Did you know you can grow great avocados in our cool foggy summers?Join our online workshop to learn all about avocados!Find out which varieties do best in our Monterey Bay area, how to choose a good tree and how to plant it properly, how to care for and fertilize your tree as well as protect it from pests…
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View over the tops of avocado trees from a tower with scientific instruments
Article

UCCE advisor provides first-of-its-kind avocado irrigation data

May 15, 2025
By Michael Hsu
Crop coefficients are numbers used to calculate the amount of water a particular crop needs. In an unprecedented study, Ali Montazar, UC Cooperative Extension irrigation and water management advisor, set out to develop more reliable crop coefficients for avocado based on real-world data.
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Article

How To Plant an Avocado Tree

March 24, 2025
PlantingThe avocado is a shallow rooted tree (most of the feeder roots are in the top 6 inches of soil) that needs good aeration. It does well if mulched with a coarse yard mulch, which means one that is woody and in 2-inch pieces, Redwood bark will work and maybe cocoa bean husks and shredded tree bark…
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Plant Pathology

Program OverviewThe Plant Pathology Program provides applied research and outreach to support agricultural production across Imperial, Riverside, and San Diego counties. This tri-county region encompasses a wide diversity of crops and growing conditions—from the desert-irrigated systems of Imperial Valley to…
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Avocado on tree
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Avocado

When to plant: March–April (after last frost date) Harvest window: Varies widely depending on variety Fertilization: Nitrogen throughout the growing season; iron, zinc, and other nutrients may be needed Train young trees to promote lateral growth.
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