Fertilizer for Chinese Evergreen: NPK Guide and Application Rates
Chinese Evergreens (Aglaonema) are reliable low-light houseplants with attractive patterned foliage. They are moderate feeders that benefit from regular but not heavy fertilizing. Their tolerance of low light means they grow slowly and need less nutrition than plants in brighter conditions.
Quick Reference
What NPK Ratio is Best for Chinese Evergreen?
The recommended NPK ratio for chinese evergreen is 20-20-20. A balanced 20-20-20 feeds all three macronutrients equally, which works well when soil tests show no single deficiency.
Chinese Evergreen NPK needs shift at each growth stage. Gentle balanced feed for newly divided plants during the Seedling phase, then occasionally produces spathe-type flowers; phosphorus boost optional once flowering begins.
NPK by Growth Stage for Chinese Evergreen
| Growth Stage | NPK Ratio | Notes |
|---|---|---|
| Seedling | 10N 10P 10K N 10% Nitrogen: leaf and stem growth P 10% Phosphorus: roots and flowers K 10% Potassium: health and disease resistance Learn more about NPK | Gentle balanced feed for newly divided plants |
| Vegetative | 20N 20P 20K N 20% Nitrogen: leaf and stem growth P 20% Phosphorus: roots and flowers K 20% Potassium: health and disease resistance Learn more about NPK | Balanced formula supports variegated foliage |
| Flowering | 15N 30P 15K N 15% Nitrogen: leaf and stem growth P 30% Phosphorus: roots and flowers K 15% Potassium: health and disease resistance Learn more about NPK | Occasionally produces spathe-type flowers; phosphorus boost optional |
| Fruiting | 20N 20P 20K N 20% Nitrogen: leaf and stem growth P 20% Phosphorus: roots and flowers K 20% Potassium: health and disease resistance Learn more about NPK | Red berries may appear but are toxic; no special feed needed |
When Should You Fertilize Chinese Evergreen?
Fertilize chinese evergreen during the active growing season, typically March, April, May, June, July, August, September. Reduce or stop feeding during fall and winter when growth slows.
Apply half-strength liquid fertilizer every 6 weeks during the active season. Always check soil moisture before feeding.
What Light Does Chinese Evergreen Need?
Chinese Evergreen thrives in low to medium light. Low light slows growth and reduces nutrient uptake, which means less fertilizer is needed in dim spots.
How Often Should You Water Chinese Evergreen?
When top 1-2 inches of soil are dry. Soggy soil blocks oxygen from reaching roots and locks out nutrients, so proper watering directly affects how well chinese evergreen absorbs fertilizer.
Signs of Over-Fertilization in Chinese Evergreen
- Leaf tips and edges browning
- Yellow blotches on leaves
- Reduced new growth despite warm temperatures
Signs of Under-Fertilization in Chinese Evergreen
- Loss of leaf variegation patterns
- Older leaves yellowing and dropping
- Very slow growth rate
What Are the Best Fertilizer Products for Chinese Evergreen?
Look for products with an NPK close to 20-20-20. Miracle-Gro Indoor Plant Food is the most popular choice among home gardeners for chinese evergreen.
- Miracle-Gro Indoor Plant Food
- Osmocote Smart-Release Indoor
- Espoma Organic Indoor
Prices vary by retailer and region. Check current pricing before purchasing.
Container and Raised Bed Adjustments for Chinese Evergreen
Use liquid fertilizer at half strength every 6 weeks during growing season; these low-light plants need less frequent feeding
Common Fertilizing Mistakes with Chinese Evergreen
- Over-fertilizing low-light plants that cannot process excess nutrients
- Using high-nitrogen fertilizer that causes leggy growth in low light
- Fertilizing plants showing yellow leaves from overwatering, not deficiency
- Not adjusting feeding frequency based on light conditions
- Continuing to fertilize during winter dormancy
Tips for Fertilizing Chinese Evergreen
- Feed every 6 weeks during spring and summer with a balanced formula
- Plants in lower light need less frequent fertilizing than those in bright spots
- Variegated varieties may lose color patterns without adequate nutrition
- Slow-release granules work well for consistent, gentle feeding
- Stop all fertilizer from October through February
Organic Fertilizer Alternatives for Chinese Evergreen
Sources
Source:University of Minnesota ExtensionLast updated: