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Give your houseplants continuous nutrition with Jobe’s® Houseplant Fertilizer Spikes – Slow-Release (13-4-5). Specially formulated for indoor potted plants, these convenient fertilizer spikes deliver nutrients directly to the root zone, where they are gradually released with every watering.

Each application—using the recommended number of spikes for your pot size—provides continuous feeding for up to 60 days, supporting healthy root development, lush green foliage, and vigorous plant growth. Simply insert the spikes into the soil and replace them every 60 days for consistent nutrition without measuring or mixing.

The Indoor Plant Problem-Solver Shopping Guide

Buy this when your indoor plants are:

  • Growing slowly or producing pale foliage.
  • Losing nutrients due to frequent watering.
  • Needing continuous feeding without weekly fertilizing.
  • Growing in containers where nutrients are quickly depleted.
  • Looking for a clean, low-maintenance fertilizing solution.

Indoor Plant Benefits:

  • Continuous Feeding: Gradually releases nutrients for 60 days, providing consistent nourishment with every watering.

  • Healthy Foliage: The nitrogen-rich 13-4-5 formula encourages lush green leaves, stronger stems, and vigorous plant growth.

  • Direct Root Nutrition: Feeds directly in the root zone, improving nutrient availability while reducing fertilizer waste.

Instructions of Use

☘ Application: Insert each spike halfway between the plant stem and the edge of the pot until it is just below the soil surface.

  • 10cm (4"): 2 Spikes
  • 15cm (6"): 3 Spikes
  • 20cm (8"): 4 Spikes
  • 25cm (10"): 5 Spikes
  • 30cm (12"): 6 Spikes

Watering: Water thoroughly after inserting the spikes.

Replacement: Replace with new spikes every 60 days.

Storage: Store in a cool, dry place. Keep out of reach of children and pets.   (Click to expand)

Why It's a Must-Have?

Jobe’s® Fertilizer Spikes make indoor plant care easier by providing slow, continuous nutrition directly where plants need it most. Instead of frequent liquid feeding, these convenient spikes release nutrients gradually over 60 days, helping maintain healthy foliage, strong roots, and balanced growth.

Designed specifically for potted houseplants, they reduce maintenance while delivering reliable, long-lasting nutrition.

☘ Feeds continuously for 60 days.

☘ Promotes lush green foliage and healthy stems.

☘ Supports healthy root development.

☘ Slow-release formula helps reduce the risk of fertilizer burn when used as directed.

☘ No measuring, mixing, or messy applications.

☘ Ideal for most indoor potted plants.

Jobe’s® Houseplant Fertilizer Spikes | Slow-Release (13-4-5)

Regular price 7.000 JD
Unit price
per 

Keep your houseplants healthy with Jobe’s® Fertilizer Spikes. These convenient 13-4-5 slow-release spikes feed directly at the root zone for 60 days, providing continuous nutrition that supports lush green foliage, healthy roots, and strong overall plant growth—without messy liquid fertilizers.

Shipping calculated at checkout.

About Me

Give your houseplants continuous nutrition with Jobe’s® Houseplant Fertilizer Spikes – Slow-Release (13-4-5). Specially formulated for indoor potted plants, these convenient fertilizer spikes deliver nutrients directly to the root zone, where they are gradually released with every watering.

Each application—using the recommended number of spikes for your pot size—provides continuous feeding for up to 60 days, supporting healthy root development, lush green foliage, and vigorous plant growth. Simply insert the spikes into the soil and replace them every 60 days for consistent nutrition without measuring or mixing.

The Indoor Plant Problem-Solver Shopping Guide

Buy this when your indoor plants are:

  • Growing slowly or producing pale foliage.
  • Losing nutrients due to frequent watering.
  • Needing continuous feeding without weekly fertilizing.
  • Growing in containers where nutrients are quickly depleted.
  • Looking for a clean, low-maintenance fertilizing solution.

Indoor Plant Benefits:

  • Continuous Feeding: Gradually releases nutrients for 60 days, providing consistent nourishment with every watering.

  • Healthy Foliage: The nitrogen-rich 13-4-5 formula encourages lush green leaves, stronger stems, and vigorous plant growth.

  • Direct Root Nutrition: Feeds directly in the root zone, improving nutrient availability while reducing fertilizer waste.

Instructions of Use

☘ Application: Insert each spike halfway between the plant stem and the edge of the pot until it is just below the soil surface.

  • 10cm (4"): 2 Spikes
  • 15cm (6"): 3 Spikes
  • 20cm (8"): 4 Spikes
  • 25cm (10"): 5 Spikes
  • 30cm (12"): 6 Spikes

Watering: Water thoroughly after inserting the spikes.

Replacement: Replace with new spikes every 60 days.

Storage: Store in a cool, dry place. Keep out of reach of children and pets.   (Click to expand)

Why It's a Must-Have?

Jobe’s® Fertilizer Spikes make indoor plant care easier by providing slow, continuous nutrition directly where plants need it most. Instead of frequent liquid feeding, these convenient spikes release nutrients gradually over 60 days, helping maintain healthy foliage, strong roots, and balanced growth.

Designed specifically for potted houseplants, they reduce maintenance while delivering reliable, long-lasting nutrition.

☘ Feeds continuously for 60 days.

☘ Promotes lush green foliage and healthy stems.

☘ Supports healthy root development.

☘ Slow-release formula helps reduce the risk of fertilizer burn when used as directed.

☘ No measuring, mixing, or messy applications.

☘ Ideal for most indoor potted plants.