Homemade
Weed Killer

To make this homemade weed killer, mix:

• 1 quart vinegar (I used white vinegar but I've heard that apple cider vinegar works -- it has a slightly higher acidity level, so it probably will work even better)
• 1/4 cup salt
• 2 tsp. dish soap (I used the Dawn soap I use for my homemade laundry detergent, but any kind will work)

The vinegar's acetic acid is what kills the plant. The salt assists by pulling the moisture out of the weeds.  The dish soap helps the weed killer stay on the plant once you spray it. Word to the wise: this weed killer will kill any plant it comes into contact with; it's not selective at all. 

Can I seed in the Spring?

Yes, apply seed in Spring when soil temperature reaches 15°C (60°F) - Ideally mid May to mid June. If you have spread grass seed in the early spring, it will not germinate until the soil temperature reaches about 15°C (about 59°F). 
(Reference: fairgreensod.com)

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• Licensing and certification: Look for a contractor who is licensed and certified by the relevant state or provincial authority, as this indicates that the contractor meets certain standards and requirements.
• Insurance: Make sure the contractor has liability insurance and worker's compensation insurance to protect you in case of an accident or injury on the job site.

• References and portfolio: Ask for references from past clients and check the contractor's portfolio to see examples of their work. This will give you a good idea of the contractor's level of experience, quality of work, and attention to detail.

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• Reputation: Look for contractors with a good reputation in the community. You can check online reviews and ratings, or ask for recommendations from friends, family, or other professionals in the industry.

By following these tips, you can increase your chances of finding a professional and reliable landscape contractor.