How to Use Oolitic Aragonite Plant Calcium for Stronger, Healthier Plants

Looking for a natural way to boost your plant health and soil quality without synthetic chemicals? Oolitic Aragonite Plant Calcium from Calcean is a powerful, sustainable solution for gardeners, farmers, and landscapers who want healthier plants and better soil — all while staying environmentally conscious.

Here’s everything you need to know about using our plant calcium and how it can transform your soil from the ground up.

🌱 What Is Oolitic Aragonite Plant Calcium?

Unlike traditional calcium sources, Calcean’s Plant Calcium is derived from naturally renewable oolitic aragonite, a unique form of calcium carbonate formed in the shallow, warm waters of The Bahamas. This biologically friendly material is rich in calcium, making it ideal for immediate plant uptake.

It’s OMRI Listed® for use in organic growing, safe for all plants, and even gentle enough for home gardens.

🌿 Why Use Plant Calcium in Your Garden or Farm?

Calcium is essential for:

  • Strengthening cell walls in plants

  • Supporting root development

  • Improving fruit and flower production

  • Enhancing nutrient uptake

  • Reducing blossom end rot in tomatoes and peppers

Without enough calcium, plants can suffer from stunted growth, poor yields, and increased disease susceptibility. Oolitic aragonite delivers this vital mineral naturally and effectively.

🌼 How to Use Calcean Plant Calcium

1. For Vegetable Gardens & Flower Beds

  • Application Rate: 2-5 lbs per 100 sq. ft.

  • When to Apply: Mix into the soil before planting or sprinkle around plants during the growing season.

  • How to Apply: Broadcast evenly and water in thoroughly. For ongoing feeding, reapply every 4–6 weeks.

2. For Trees & Shrubs

  • Application Rate: 1–2 cups per inch of trunk diameter, spread around the drip line.

  • When to Apply: Best applied in early spring or late fall.

  • How to Apply: Spread around the base, then water to help the calcium absorb into the root zone.

3. For Lawns

  • Application Rate: ~20 lbs per 1,000 sq. ft.

  • When to Apply: Early spring and again in fall.

  • How to Apply: Use a broadcast spreader, followed by watering to activate the minerals.

4. For Potted Plants

  • Application Rate: 1/3–1/4 lb per gallon of soil

  • When to Apply: During repotting or every 4–6 weeks during growing season.

  • How to Apply: Mix directly into potting soil or top-dress and water in.

🌎 A Climate-Positive Choice

Choosing Calcean’s Plant Calcium isn’t just good for your plants — it’s good for the planet. Oolitic aragonite is naturally renewable and harvested with minimal environmental impact. Plus, the production process is carbon-negative, which means every bag you use is helping offset CO₂ from the atmosphere.

💡 Pro Tip: Combine with Compost or Organic Fertilizer

For best results, use our plant calcium in combination with organic compost or fertilizer to enhance microbial activity and nutrient availability in the soil.

Ready to Try It?

Whether you're a backyard gardener or a commercial grower, Calcean’s Oolitic Aragonite Plant Calcium is your go-to solution for sustainable plant nutrition.

👉 Learn more at calcean.com/plant-calcium


📦 Available in 10 lb and 20 lb bags at Home Depot — perfect for gardens of any size. Contact us for bulk quantities.

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