NOLA.com: Want your hydrangeas to be blue? Add some acid to the soil Want your hydrangeas to be blue? Add some acid to the soil Question: I have two Colorado blue spruces, each about 7 feet tall.

Understanding the Context

One has the blue tint, but the second one, which I’ve had for two years, does not have any blue tips. Can I add acid to the soil to ... Question: We were given a blue hydrangea as a gift and told it needs special soil to remain this color. What should I do?

Key Insights

Answer: Keep the soil acidic and you should have continuing blue hydrangea ... Pine needle mulch doesn’t significantly acidify soil because the needles lose their acidity as they decompose. Bare spots under pine trees are more likely caused by dry shade and root competition than ... Your soil's pH level has a major impact on your plants. Get a better idea of whether it's acidic, neutral, or alkaline with this clever hack.

Final Thoughts

Food Republic on MSN: The DIY soil mixture for a better berry harvest Soil matters if you want to get a good berry harvest and not just a lot of foliage. Luckily, you can make your own mixture using these three ingredients.