Jack’s Classic Houseplant Special 15-30-15 8 oz. – Water-Soluble Fertilizer for Indoor Plants
Give indoor plants the nutrients they need to thrive with Jack’s Classic Houseplant Special 15-30-15, a professional-quality water-soluble fertilizer formulated to promote strong roots, vibrant foliage, and healthy blooms. This balanced yet bloom-boosting formula delivers essential nutrients that help houseplants grow stronger and maintain rich green color indoors.
Made by JR Peters, Inc., Jack’s Classic fertilizers are trusted by growers and gardeners for reliable plant nutrition and consistent results.
Key Features
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15-30-15 NPK fertilizer designed for houseplants and indoor gardens
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High phosphorus content helps support root development and flowering
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Water-soluble formula mixes easily and feeds plants quickly
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Encourages lush foliage and vibrant blooms
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Ideal for routine feeding of indoor plants
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Suitable for hobby growers and professional plant care
Ideal for Many Houseplants
Jack’s Classic Houseplant Special is commonly used on:
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Tropical houseplants
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Flowering indoor plants
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Foliage plants
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Potted plants and container gardens
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Indoor plant collections and greenhouse plants
This fertilizer helps correct nutrient deficiencies and supports consistent plant growth in containers where nutrients can become depleted.
Application & Feeding Guide
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Mix with water according to label directions.
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Apply during regular watering to feed plants evenly.
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Use on a routine feeding schedule for best growth and flowering results.
Because it is water-soluble, nutrients are readily available to plant roots, helping plants respond quickly to feeding.
Why Growers Choose Jack’s Classic Fertilizers
Jack’s Classic Houseplant Special is popular among indoor gardeners because it provides professional-grade plant nutrition, easy mixing, and consistent results across a wide range of houseplants. The trusted formula helps plants grow stronger roots, produce better blooms, and maintain healthy foliage year-round.
