![]() ![]() That means it has 5% nitrogen,4% phosphorus, and 3% potash. The NPK ratio of this fertilizer is 5-4-3. This organic granular fertilizer is specially formulated for some acid-loving plants and flowers such as hydrangeas, Azaleas, Camellias, and so on. Jobe’s Organics 9826 fertilizer is another best organic fertilizer for hydrangeas. Work on the surface soil gently, and water thoroughly. To feed in-ground hydrangeas-Sprinkle 1 cup for a foot of hydrangea branches spread and sprinkle 1 teaspoon for each 3 inches diameter of the pot. Also, it has 1% humic acids and you may know humic acid acts as the stress reviver and protect your hydrangeas from environmental stress.īesides hydrangeas, it can also apply on some acid-loving plants including azalea, b ayberry, gardenia, strawberry, blueberry, and camellia. It contains colony-forming beneficial soil microbes that improve the soil structure and promote the root growth of hydrangeas. So, it can be the best fertilizer for endless summer hydrangeas to blue as well as other varieties. Elemental sulfur is an organic soil amendment that helps the soil to reduce soil pH and you know lower soil pH is required for blue hydrangeas. Moreover, it also contains some other macro and micronutrients including 3% calcium,1% magnesium, and 5% sulfur.Īll the nutrients of this holly tone fertilizer are derived from some organic ingredients such as feather meal, bone meal, alfalfa meal, poultry manure, greensand, sulfate of potash magnesia, and elemental sulfur.Īs you saw, it contains elemental sulfur. Water-soluble nitrogen feeds your hungry plant instantly and water-insoluble releases nutrients slowly and feeds continuously without the risk of burning.Īs you saw, it has a higher amount of slow-release nitrogen, that’s why it is one of the best slow-release fertilizer for hydrangeas today. You will be happy to know ammoniacal nitrogen helps the soil to reduce pH for a longer period. It has 0.3% ammoniacal nitrogen,1.2% water-soluble nitrogen, and 2.5% water-insoluble nitrogen. ![]() It is a certified organic fertilizer for organic gardeners.Īs the primary nutrients, it contains 4% nitrogen,3% phosphate, and 4% potash for lush green foliage and vibrant blooms. Best Fertilizer for Hydrangeas-Reviews 1.Espoma HT18 Holly Tone FertilizerĪre you looking for the best natural fertilizer for hydrangeas? Here is the Espoma HT18 Holly Tone for hydrangeas. Now, take the pH meter and learn what’s the pH status of your soil and take action based on what color hydrangea blooms you want. The mix of blue and pink blooms need soil pH between 5.5 and 6.5.įor decreasing soil pH – You can pick Bailey’s Color Me Blue Hydrangeas Pellets, Jobe’s Organics Soil Acidifier, or other acidifiers like ammonium sulfate.įor decreasing soil pH – You can Jobe’s Organics Garden Lime, and other garden liming materials.Pink and red blooms need soil pH higher than 6.5.Blue or lavender-blue hydrangeas blooms need soil pH lower than 6.You can feed these fertilizers to any kind of hydrangeas including, endless summer, blue, pink, white, limelight, oak leaf, and lacecap hydrangeas.Īnd last 3 are acidifying and liming agents that help you to get the desired color of blooms. In my list, the first 7 are the best fertilizer for hydrangeas to meet the nutritional demand. So, you need both fertilizer and a pH modifying agent for your hydrangeas. Hydrangeas need fertilizer to produce blooms but the color of the bloom depends on the soil pH. ![]()
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