:max_bytes(150000):strip_icc()/GettyImages-599474136-0260144a51c04155afe861cd0a178cef.jpg)
Humus is decayed organic matter that is crucial for plant growth. Learn what humus consists of, how to make it, and how to add it to your garden soil.| The Spruce
:max_bytes(150000):strip_icc()/catawba-rhododendron-plant-4844412_05-80bff702f2b24097a6e9cb1bfb156504.jpg)
Azalea and rhododendron plants belong to the same family, Rhododendron. Learn the similarities and differences of the plants and how to grow them in your garden.| The Spruce
:max_bytes(150000):strip_icc()/how-to-raise-soil-ph-7099040_Hero1-4c712460c24e413bb2445fca3fc874a2.jpg)
Raising the pH of soil can become necessary when the soil is too acidic, or when growing plants that prefer alkaline soil. Here is how it’s done.| The Spruce
:max_bytes(150000):strip_icc()/how-to-lower-ph-in-soil-7093463_Hero01-238aa19ccf014f60a0cc1a3c25ad0b40.jpg)
Garden plants with purple stems and yellowing leaves are signs your soil pH could be too high. Learn what it means and how to fix it.| The Spruce
:max_bytes(150000):strip_icc()/how-to-care-for-azaleas-5074145-06-d004727782d94545936f4d7352ced9f3.jpg)
Azaleas (Rhododendron spp.) are popular flowering shrubs, well-loved for their spring blooms that come in many colors.| The Spruce
:max_bytes(150000):strip_icc()/soil-woman-planting-big-80685029ddc84369b3f9972d4df7b25b.jpg)
Soil pH is not a nutrient, but a plant suffers nutritionally when the ground it is growing in has the wrong pH. Find out why and how to correct it.| The Spruce
:max_bytes(150000):strip_icc()/SPR-guide-to-soil-amendments-7095754-hero-38c8367d9fde4061b809a6f41af994e4.jpg)
From compost and manure to wood chips, straw, and lime, this comprehensive overview lists soil amendments and tells you when and how to use them.| The Spruce
:max_bytes(150000):strip_icc()/best-fertilizers-4154249-9251e243468f43da9de3f2aa9ebf5b2a.jpg)
Fertilizers provide key nutrients to your yard and garden. We vetted top picks, considering type, nutrient content, feed duration, and ease of use.| The Spruce