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The usual time to put down pre-emergent weed preventer is the first 2 weeks of February. Preen is a good option. Scotts is mostly filler.
January is too soon. By March it is too late for some weeds. |
I thought it was when the forsythia bloom, so early March. |
| Saw some forsythia blooming in NW DC yesterday! I prefer Green View brand after using Scott’s for many years. |
| Late feb/early march if you are in DMV area |
What brand do you use? |
| As OP said: Preen and not Scotts. |
| DH puts down corn meal gluten in early spring (forsythias start blooming). |
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Preen says not for use on lawns?
Is there a recommended pre-emergent for lawns and grass (ie, no mulchy areas) |
There is a kind of Preen that is designed for lawns. Different package than Preen for bedding areas. |
| my lawn is still snow covered. |
Same, but by next week it will all melt - I want to be prepared. I want to know what to use for lawn/grass - not mulched areas. |