Containers Vegetable Fertilizer for Cold-Hardy Vegetables

🥦 Containers Vegetable Fertilizer for Cold-Hardy Vegetables (NPK 5-10-10)

This balanced fertilizer is high in phosphorus and potassium, promoting strong root systems, flowering, and disease resistance—making it ideal for cold-hardy vegetables in container gardens.

✅ 20 Cold-Hardy Vegetables Suited for 5-10-10 in Containers

• Kale – Thrives in cool temps; phosphorus supports leaf production.

• Spinach – Cold-tolerant; benefits from potassium for cell strength.

• Swiss Chard – Tolerates light frost; benefits from balanced feeding.

• Lettuce – Many varieties tolerate cold; grows quickly with steady nutrition.

• Arugula – Fast-growing leafy green for cool seasons.

• Broccoli – Prefers cooler temps; phosphorus needed for head development.

• Cauliflower – Benefits from phosphorus for compact heads.

• Brussels Sprouts* – Needs potassium for sturdy stalks and firm sprouts.

• Cabbage – Head development relies on phosphorus.

• Collard Greens – Cold-hardy, thrives on balanced nutrients.

• Beets – Root growth enhanced by phosphorus and potassium.

• Carrots – Require phosphorus for root development.

• Turnips – Prefer cooler temps; phosphorus supports root mass.

• Parsnips – Need phosphorus-rich soil for root thickening.

• Mustard Greens – Hardy and quick-growing with moderate feeding.

• Endive – Grows best in cool temps with consistent feeding.

• Pak Choi – Thrives in cold with a need for potassium for turgor.

• Mâche (Corn Salad) – A very cold-hardy leafy green.

• Radishes – Quick-growing root crop that prefers high phosphorus.

• Scallions – Hardy and benefit from potassium for upright growth.

📦 Fertilizer Application Guide

Fertilizer: Slow-release 5-10-10
Form: Granular or pelletized

🛠 Application Instructions

• Initial Application (at planting):

  • Mix the fertilizer into the top 2–4 inches of moist potting mix.

  • Water thoroughly to begin nutrient release.

• Follow-Up Applications (every 4–6 weeks):

  • Sprinkle evenly around the base of each plant.

  • Gently work it into the top layer of soil without disturbing roots.

  • Water after applying to activate slow-release nutrients.

🌱 Ideal Soil Conditions for Cold-Hardy Vegetables