Spider plants also known as airplane plants or Chlorophytum comosum, are one of the most popular houseplants due to their easy care nature and air purifying abilities. With their graceful arching foliage, these plants add a tropical vibe to any indoor space. However, to keep your spider plant healthy and encourage vigorous growth, using the right potting soil is essential.
In this comprehensive guide, we will discuss everything you need to know about choosing the ideal potting mix for your spider plant, from soil ingredients to DIY recipes Read on to learn how to pick the perfect medium to help your spider plant thrive!
Why Potting Soil Matters for Spider Plants
Potting soil provides nutrients, anchors the plant, and allows proper drainage and aeration for the roots. For spider plants, the ideal mix should:
- Drain quickly to prevent soggy soil
- Retain some moisture between waterings
- Be loose and porous to allow airflow
- Have a mildly acidic to neutral pH
- Provide nutrients for healthy growth
Using a dense, water-retentive soil will lead to root rot. On the flip side, a mix that dries out too fast stresses the plant. Striking the right balance is key for your spider plant to flourish.
Best Potting Soil Ingredients for Spider Plants
Peat Moss
Peat moss is an excellent ingredient that improves moisture retention while still allowing excess water to drain. It also aerates the soil and supplies useful organic matter.
Compost
Compost adds beneficial microorganisms and slowly releases nutrients as it breaks down. Opt for a high-quality, mature compost without large pieces.
Perlite
Perlite creates air pockets in the soil, preventing compaction. This porous material improves drainage and oxygen flow to the roots.
Pine Bark
Pine bark helps the soil breathe, keeps some of the water in, and adds nutrients. Shredded pine bark fines work better than large chunks.
Coarse Sand
A small amount of coarse sand improves drainage in the potting mix. But too much can make the medium dry out too quickly.
Vermiculite
Vermiculite is a mineral that is spongy and helps keep water in and let air into the soil. Use it in moderation to avoid waterlogging.
Best Potting Soil Mixes for Spider Plants
Store-bought Options
Look for indoor plant, tropical plant, or orchid potting mixes without added fertilizer. Avoid soils for cacti or succulents as they drain too fast.
DIY Spider Plant Potting Mix Recipes
Basic Blend
- 2 parts peat moss or coco coir
- 1 part perlite or vermiculite
- 1 part compost
Fast Draining Mix
- 2 parts peat moss
- 1 part perlite
- 1 part pine bark fines
- 1 part coarse sand
Moisture Retentive Mix
- 2 parts peat moss
- 1 part compost
- 1 part vermiculite
- 1⁄2 part pine bark fines
How to Repot Spider Plants in Fresh Soil
Replacing old, spent soil with new potting mix revitalizes spider plants. Repotting is recommended when:
- Roots are pot-bound
- Soil pulls away from pot edges
- Drainage worsens
- Growth stalls
Follow these steps to repot your spider plant:
1. Prepare the Pot
Select a container 2 inches wider than the current pot with drainage holes. Fill 1/3 with fresh, room temperature potting mix.
2. Remove the Plant
Turn the pot upside down, tapping lightly to loosen the spider plant. If needed, trim any circling roots with sterilized scissors.
3. Transplant into New Container
Place the spider plant in the pot. Fill remaining space with more soil. Lightly compress it with your hands to remove air pockets.
4. Water Thoroughly
Water your repotted spider plant until it drains from the base. This helps settle the roots into the new medium.
5. Provide Aftercare
Allow the plant to recover in a shady spot for a few days before returning it to its normal growing conditions.
Storing Extra Homemade Potting Mix
Leftover DIY potting soil can be stored for later use. Follow these tips:
- Place mix in an airtight plastic container or bucket with a lid
- Store in a cool, dry spot away from direct sun
- Use within 3-6 months for best results
- Check periodically and discard if any mold is spotted
- Label container with ingredients and date mixed
Troubleshooting Common Spider Plant Potting Issues
Problem: Leaves are browning on tips
Cause: Too much fertilizer or alkaline soil
Solution: Flush soil and repot in a fresh mix
Problem: Leaves yellowing
Cause: Nutrient deficiency
Solution: Repot in a more nutrient-rich soil
Problem: Poor drainage
Cause: Dense, compacted soil
Solution: Add perlite and repot in a lighter mix
Problem: White crusty buildup on soil
Cause: Salt accumulation from tap water
Solution: Leach soil and repot in fresh mix
Potting Soil Tips for Healthy Spider Plants
- Test drainage by watering the mix in a pot before using it
- Avoid soil labeled for cacti, orchids or succulents as they drain too fast
- Check soil pH – spider plants prefer slightly acidic levels around 6.5
- Make sure mix contains organic material like compost or peat moss
- Add extra perlite to bagged mixes to improve drainage
- Repot mature spider plants every 2-3 years in fresh soil
- Let soil dry out slightly between waterings to prevent sogginess
If you use the right potting mix, your spider plant will be well on its way to doing well inside. Pay close attention to how well any store-bought or home-made blend drains, how well it airs out, what pH it has, and how many nutrients it has. Your spider plant will stay healthy and fill your home with beautiful, cascading leaves for years to come if you give it the right soil.
Trees That Turn Purple in Fall – A Stunning Display of Color