Old Cobblers Farm™ Wicked Growth Alpine/Rock Garden Plants Fertilizer

Rock Garden Fertilizer – 5-10-5 Formula for Compact Growth, Bright Blooms & Root Strength

Support the beauty and balance of your rock garden with Old Cobblers Farm Rock Garden Fertilizer (5-10-5 NPK) — a gentle, low-nitrogen blend tailored for alpine plants, groundcovers, and flowering perennials that thrive in lean, well-drained soils. This formula encourages strong roots, vibrant flowers, and tidy, compact growth without overstimulation.

Perfect for rockeries, alpine beds, borders, and container displays where subtle structure and bloom color matter most.

Key Benefits:

Promotes Flowering & Form
5% Nitrogen supports healthy, compact foliage without excessive growth.
10% Phosphorus strengthens roots and fuels bold, long-lasting blooms.
5% Potassium improves stress tolerance and enhances flower and foliage quality.

Ideal for Low-Fertility Soils
Formulated to suit the needs of rock garden species that prefer lower nutrient levels.

Supports Drought-Hardy Plants
Boosts resilience in tough conditions with efficient nutrient delivery and improved root function.

Feeds Steadily Over Time
Gentle slow-release action nurtures plants without overwhelming sensitive varieties.

Perfect For These Rock Garden Favorites:

Sedum
Thyme
Aubrieta
Phlox subulata
Arabis
Dianthus
Edelweiss
Rock Cress
Ice Plant
Lewisia
Alpine Pinks
Saxifrage
Hens and Chicks
Campanula (low varieties)
Penstemon (dwarf types)
Euphorbia

How to Use:

New Plantings: Mix ½ cup per 10 sq ft into topsoil before planting.
Established Beds:

• Small plants: ¼–½ cup

• Larger clumps or spreaders: 1 cup

Sprinkle evenly, work lightly into soil, and water thoroughly.

Feeding Frequency:
Apply every 6–8 weeks during the active growing season. Avoid over-fertilizing — less is more in rock garden environments.

Why Choose Old Cobblers Farm™ Wicked Growth Alpine/Rock Garden Plants Fertilizer?

Unlike all-purpose blends, this formula is tailored to the specific requirements of alpine and rock garden plants that naturally thrive in low-fertility soils. By feeding gently but effectively, it helps maintain their natural form while boosting bloom performance. It’s the perfect choice for gardeners seeking long-lasting beauty in minimalist or rugged settings.

Product Options

Available in 5 lbs, 10 lbs, 15 lbs, and 20 lbs sizes, making it easy to choose the right amount for small borders or large alpine displays.