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Extension

Gardening Advice

Horticulture and gardening tips, produced by the OSU Extension Service, is a monthly update featuring gardening advice, current horticulture topics, and events for Oklahomans. Each month offers timely reminders for gardening and lawn care.

Gardening Tips

Garden Tips for Mid to Late-May

June 1, 2026

This gardening guide highlights important tasks for mid- to late May, including lawn care, vegetable planting, pest management and landscape maintenance. Learn seasonal tips to keep gardens, trees, turf and fruit crops healthy and productive.

Early to Mid-May 2026 Gardening Tips

May 1, 2026

Learn more about the gardening tips for early to mid may 2026 for trees and shrubs, flowerbeds, vegetables, lawn and turf and fruit and nuts.

Gardening Tips

March 7, 2026

Gardening Tips Announcements

February 2026 Gardening Tips

February 8, 2026

February gardening tips for planting and pruning trees and shrubs, starting vegetables and caring for lawns, fruit trees and birds.

Hort Tips

Early to Mid-May 2026 Horticulture Tips

May 1, 2026

Learn more about the early to mid-May 2026 Horticulture tips such as leaf spot of Red Tip Photinia and how to control caterpillar pests.

Garden Tips for Mid- to Late April

April 17, 2026

A comprehensive mid- to late-April gardening guide for Oklahoma covering essential tips on planting, lawn care, pest control, and maintaining trees, flowers, vegetables, and fruit crops for a healthy spring landscape.

Garden Tips for Mid- to Late March

March 17, 2026

February 2026 Horticulture tips: learn the steps to test your soil to get a thriving lawn and garden.

Horticulture Tips

March 6, 2026

Horticulture Tips Announcements.

Shackelford Virtual Session

Monthly topics

These Zoom Meetings, designed for both consumers and green industry professions, are free with expenses defrayed due to the continued generosity of Charles and Linda Shackelford, former co-owners of TLC, Oklahoma City. Each month a different topic is covered by various speakers throughout the United States.