# Keep your garden ticking along all summer: The power of Magnesium, Potassium and Calcium - Link: https://rd2.co.nz/the-power-of-magnesium-potassium-and-calcium-gardens/ - Published: 2025-02-05T02:28:22+00:00 - Author: RSF Admin There’s nothing better than a summer garden bursting with life—ripe tomatoes, crisp cucumbers, and an abundance of courgettes on each plant. To keep your plants thriving until the end of summer, they need the right nutrients in the right balance. That’s where magnesium, potassium, and calcium come in, working together to keep plants energised, healthy, and productive. Magnesium supports chlorophyll production for photosynthesis, potassium helps regulate water movement, and calcium strengthens cell walls. When these nutrients are balanced, plants grow more vigorously, resist stress, and produce higher yields, ensuring your garden remains lush and full of life all season long. Let us explain how these three minerals work. ### Magnesium as the energy source Required at every stage of plant growth, Magnesium plays a crucial role in photosynthesis by helping plants produce chlorophyll, the green pigment that turns sunlight into energy. Without it, plants can’t produce the energy they need to grow, flower, and fruit. This is especially important for heavy producers like tomatoes, cucumbers, and courgettes, which demand plenty of energy throughout the summer. BIOMIN Magnesium is a glycine-chelated, single-mineral plant nutrient designed for optimal absorption. Its systemic nature allows it to move efficiently throughout the entire plant, ensuring deficiencies are quickly corrected. By supporting chlorophyll production and energy transfer, BIOMIN Magnesium enhances photosynthesis, improves plant resilience, and promotes healthier growth, stronger yields, and overall vitality. ### Potassium, the fruiting booster Potassium is the key nutrient for helping plants transition from flowering to fruiting. Potassium promotes the development of sugars for juicy, high-quality fruit and is equally important for summer vegetable production. However, an overload of potassium can lock out other essential nutrients like magnesium and calcium. So always read the label and apply accordingly. K-Forte contains potassium and phosphorus in a balanced ratio similar to that found naturally in plants. Applied in accordance with the label directions, K-Forte will increase sugar accumulation in fruits and vegetables whilst improving the overall health and mineral balance of your plants and in turn the fruit and veges you eat. ### Calcium is the strength builder While magnesium and potassium handle energy production and produce quality, calcium strengthens plants’ cell walls (this means crispier vegetables that last longer in your fridge) and helps prevent issues like blossom-end rot in tomatoes and courgettes. Calcium is definitely one of the most critical nutrients needed for optimum plant and produce health. For a reliable calcium source, use BIOMIN Calcium to maintain consistent supply throughout the growing period. This ensures deficiencies are quickly addressed, supporting strong cell walls, improved fruit quality, and overall plant resilience against stress, diseases, and environmental changes. ### The balancing act Magnesium, potassium, and calcium are essential for plant health, each playing a unique role. However, maintaining the right balance is crucial to prevent nutrient competition, which can hinder absorption and reduce overall plant growth, yield, and resilience. Here’s how you can maintain harmony in your garden: 1. **Use the right products** Incorporate K-Forte, BIOMIN Magnesium, and BIOMIN Calcium into your fertiliser routine. These products are designed to work together, giving your plants the necessary nutrients in a balanced way. 2. **Watch for deficiencies** **Magnesium deficiency:** Yellowing between the veins of older leaves predominantly, while the veins themselves stay green.**Calcium deficiency:** Blossom-end rot or poor fruit quality with skin splitting and poor colour. Adjust your feeding schedule accordingly if you notice these signs or apply Biomin Calcium at regular intervals after flowering.**Potassium deficiency:** chlorosis( starting as yellowing around the margins of foliage, leaves will turn brown, become tattered and fall off), stunted growth and decreased resilience to weather extremes. 3. **Follow application rates** Always stick to recommended application rates to avoid mineral imbalances. 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