What I Use to Feed My Variegated Tissue Culture Houseplants (Quick Links + Full Breakdown)

✅ Quick Answer (For Those Who Don’t Want to Scroll)

Here’s exactly what I feed my plants—all mixed together, every watering:

• Silica – Buy here (affiliate link)

• Cal-Mag – Buy here (affiliate link)

• 20-20-20 General Purpose Fertilizer – Buy here (affiliate link)

• Humic Acid – Buy here (affiliate link)

• Liquid Clonex (for seedlings only) – Buy here (affiliate link)

I feed with every watering and flush my PON media once a month with plain water to clear out buildup. I always follow the instructions on each label—no guesswork.

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🪴 Why I Feed This Way (Detailed Breakdown Below)

If you’re working with variegated tissue culture houseplants, especially Alocasia, you’ll want to feed consistently and correctly. These plants are nutrient-hungry and delicate—especially in their early stages.

Here’s my full routine, what each product does, and how I use it.

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🌱 Feeding Routine Summary:

• Feed every watering (full mix)

• Flush PON once a month

• Follow dosage instructions from each product’s label

• Mix in this order to avoid nutrient lockout:

  1. Silica

  2. Cal-Mag

  3. Fertilizer

  4. Humic Acid

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🧪 Product Breakdown

1. Silica

Supports stronger cell walls and leaf rigidity, helping with stress resistance.

👉 Shop silica (affiliate link)

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2. Cal-Mag

Helps prevent deficiencies, supports roots, and is especially important in semi-hydro setups like PON.

👉 Shop cal-mag (affiliate link)

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3. 20-20-20 Fertilizer

Balanced nutrition that supports foliage, roots, and overall growth.

👉 Shop 20-20-20 fertilizer (affiliate link)

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4. Humic Acid

Boosts nutrient uptake and promotes healthy root systems.

👉 Shop humic acid (affiliate link)

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5. Liquid Clonex (for seedlings)

Gentle rooting hormone for brand-new plugs or tissue culture plants before they’re ready for full feeding.

👉 Shop Clonex (affiliate link)

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Final Thoughts

That’s it! This is the exact routine I use every day to keep my tissue culture plants—especially Alocasia—happy and growing strong. Whether you’re new to tissue culture or just curious about feeding routines, feel free to use this as your go-to guide.

Using the affiliate links above helps support my content (at no extra cost to you), so thanks in advance if you choose to shop through them!

Happy growing! 🌿