You’ve probably heard the saying, “The grass is always greener on the other side.” More often than not, that lush, vibrant lawn you admire didn’t happen by chance—it’s the result of regular feeding and proper care. Achieving and maintaining a healthy lawn takes consistent effort, and one of the most important factors is fertilization timing.
Finding the Right Fertilization Schedule
There’s no universal rule for fertilizing, but in general, three applications per year—spring, early summer, and late summer/early fall—work best for most lawns. However, neglected or struggling grass may benefit from an extra round of nutrients during the growing season.
For lawns in Oregon, the ideal schedule is:
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April – Kickstart growth after winter dormancy.
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June – Provide a mid-season boost to keep grass strong.
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Late August to Early September – Prepare the lawn for the cooler months ahead.
Winter fertilization is not recommended, even in milder coastal areas. Applying fertilizer during this time can disrupt the soil’s chemical balance, leading to poor results in the next growing season.
Soil Testing: The Key to Proper Fertilization
The right amount of fertilizer depends on your soil’s nutrient levels. Before applying any product, it’s crucial to perform a soil test to determine the correct amount and type of fertilizer needed. Over-fertilization can lead to waste and potential harm, while under-fertilization won’t yield the lush results you want.
Why Regular Fertilization Matters
A well-fed lawn is more than just visually appealing—it’s also healthier and more resistant to common issues. Without proper nutrients, grass becomes vulnerable to:
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Browning and thinning.
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Weed overgrowth due to weak grass coverage.
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Lawn diseases such as brown blight, rust, and red thread—particularly common in Oregon’s perennial ryegrass-heavy landscapes.
Applying the right fertilizer at the right time strengthens your lawn’s natural defenses against these threats, keeping it thick, green, and healthy year-round.
Final Thoughts
A beautiful lawn doesn’t happen overnight, but a consistent fertilization routine will give you the best chance at success. By following a proper schedule, performing soil tests, and using the right products, you can enjoy a lush, thriving yard while minimizing issues like weeds and disease.
