🌱 芝生の種子計算機
新しい芝生や芝生のオーバーシーディングに必要な芝生の種子の量を計算します。
🌱測定値を入力してください
❓Frequently Asked Questions
When is the best time to plant grass seed?
For cool-season grasses (fescue, bluegrass, ryegrass), plant in early fall or spring. For warm-season grasses (bermuda, zoysia), plant in late spring to early summer when soil temps reach 65°F.
How long does grass seed take to germinate?
Germination varies by grass type: Perennial ryegrass 5-10 days, Kentucky bluegrass 14-21 days, Tall fescue 7-14 days, Bermuda 10-21 days. Keep soil moist during germination.
Should I use starter fertilizer with grass seed?
Yes, starter fertilizer with higher phosphorus content helps establish strong root systems. Apply at the time of seeding. Look for fertilizers labeled "starter" or with a middle number higher than the others (like 10-20-10).
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