Californica

Communicating scientific information about nursery and floriculture production along the Central California coast. Stay tuned to learn more about sustainable pest, nutrient, and irrigation management for nursery and cut flower production.

If you have specific questions about nursery and floriculture production, please contact Emma Volk (evolk@ucanr.edu or 805 212 0495).

Upcoming Event: Nursery and Floriculture Industry Meeting

July 8, 2026

By Emma Volk

When: August 18, 2026, 12 - 1:00 PMWhere: Carpinteria, CA (address provided after registration)Speaker: Emma Volk, Production Horticulture Advisor @ UC Cooperative ExtensionTopic: Volk will share results from ongoing western flower thrips IPM research, as well as information on the aloe thrips invasive pest…

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Minor aloe thrips damage on Aloe arborescens plant

Aloe Thrips: A New Invasive Pest Found in Ventura, San Diego, and Santa Barbara Counties

July 8, 2026

By Emma Volk, Eric G Middleton

Aloe Thrips: New Invasive Pest in CaliforniaThe California Department of Food and Agriculture confirmed the presence of Hercinothrips dimidiatus, also known as aloe thrips, in Ventura, San Diego, and Santa Barbara counties. The CDFA assigned aloe thrips a B rating, which means they determined the pest is of…

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