Roots Organics Extreme Serene is a premium liquid plant supplement formulated to support vigorous growth, healthy foliage, and improved plant resilience. Built on a foundation of botanical extracts, this advanced formula features a rich blend of seaweed extracts (Ascophyllum nodosum, Chondrus crispus, Ecklonia maxima, Laminaria digitata, and Palmaria palmata), combined with spirulina and triterpene saponins derived from Quillaja saponaria. These ingredients work synergistically to promote strong plant development, healthy root systems, and vibrant, green foliage.
Extreme Serene is a natural source of plant nutrients and growth-promoting compounds. The formula isolates key elements from select kelp species and stabilizes them to ensure maximum nutrient availability and absorption. Use it alongside any nutrient program or as a foliar spray, just mix, apply, and watch plants respond with renewed vitality.
With a gentle 0.25–0.1–2 NPK ratio, it provides mild support that’s ideal for early vegetative growth, clones, mother plants, and stressed or yellowing foliage. It can also be watered into the root zone for similar benefits, making it a versatile solution for both recovery and ongoing plant care. Extreme Serene from Roots Organics integrates seamlessly into any feeding schedule as a universal additive to improve overall plant performance.
- Liquid kelp fertilizer made from multiple marine seaweed species and spirulina to support plant growth
- Enhances conditions for vigorous root and shoot development
- Can be watered in or used as a foliar spray; just mix and apply to help green up plants quickly, no wetting agent needed
- Stabilized formula enhances nutrient uptake by isolating key compounds from kelp for better plant response
- Helps revive yellowing clones and tired mother plants by promoting lush regrowth
- Use in conjunction with any nutrient program or as a foliar feed
- Size: 2.5 Gallon
- Color: White
- Weight: 4.3 pounds
Questions? We’ve Got Answers.
Helpful answers about product features, setup, and more
How is the fertilizer typically used in a garden?
The fertilizer is used for outdoor gardening, landscaping, or lawn care tasks such as planting, soil preparation, weed control, or watering depending on the specific product. It is intended for outdoor use in gardens, raised beds, planters, or other growing areas.
What is the storage capacity of the fertilizer?
The fertilizer has a 2.5-gallon capacity. This makes it a practical size for organizing the items it is designed to hold without taking up excessive room in your space.
Who makes the fertilizer?
The fertilizer is made by Roots Organics. Roots Organics produces this item as part of its lineup, and product details such as specifications, included accessories, and warranty terms are set by the brand.
How much does the fertilizer weigh?
The fertilizer weighs approximately 4.3 pounds. Use this figure when planning transport, handling, or placement of the item.
What should I know about the fertilizer before buying?
The fertilizer from Roots Organics brings together a few practical features worth highlighting:
- 2.5-gallon capacity
Review the product description and specifications to confirm it matches your specific needs before placing your order.
How is the fertilizer shipped?
The fertilizer ships from one of our fulfillment centers using standard ground or freight carriers depending on the size and weight of the item. Larger or heavier items may ship freight with curbside delivery. Estimated delivery dates and shipping methods are shown at checkout before you complete your order.
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