20 Best Soil For Growing Weed Indoors (2022 Updated)

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The most common type of soil used for growing weed indoors is a mix of peat moss, perlite, and vermiculite. This mix is ideal because it retains moisture well and drains excess water quickly.

20 Best Soil For Growing Weed Indoors

Product Image Product Name Features Price

Miracle-Gro Indoor Potting Mix 72776430 6 Quart (2 Pack)

  • Blended for a wide variety of container plants
  • Feeds up to 6 months
  • Designed to be less prone to gnats (Contains no compost or bark, which are known to shelter fungus gnats)

Roots Organics Original Potting Soil, 0.75 Cu ft

  • 0.75 Cu Ft

Minute Soil – Compressed Coco Coir Fiber Grow Medium – 3 Bricks = 4.5 Gallons of …

  • Compressed Coco Coir Fiber Grow Medium
  • 3 Bricks = 4.5 Gallons of Potting Soil

Michigan Peat 5540 Garden Magic Top Soil 40-Pound

  • Loosens heavy soils
  • Enhances moisture retention overall
  • Screened for uniform consistency

Sun Gro Horticulture Black Gold Natural & Organic Potting Mix 1 CF

  • 1 Cu Ft

Coast of Maine Stonington Blend Organic Growers Potting Soil Mix (8 Pack)

  • 8 Pack

Miracle Grow Potting Mix – 8 qt bag

  • 8 Qt

Miracle Gro All Purpose Potting Mix – 16 qt pouch

  • 15 lb

Miracle Gro 8 qt. Seed Starting Potting Mix

  • Lightweight Mix Of Sphagnum Peat Moss And Perlite
  • Ideal For Germinating Seeds And Rooting Leaf Stem And Root Cuttings
  • Enriched With Miracle Gro Plant Food To Help Build Strong Roots

Miracle-Gro Performance Organics Organic in Ground Soil 1.3 Cu. ft.

  • Organic & natural ingredients, blended with aged compost
  • Plant nutrition feeds all season, for use with vegetables
  • Flowers & herbs, formulated from compost

Organic Potting Mix, 20 Qts.

  • Weight: 1 pounds
  • Coverage Area: 1 cubic foot

Michigan Peat General All Purpose Premium Potting Soil w/Perlite, 50lbs (2 Pack)

  • 50 lbs

Mother Earth Groundswell Performance Soil

  • “Good for fast-growing annuals
  • tomatoes and vegetables”
  • “High-aeration formula optimizes air-holding capacity
Miracle-Gro Indoor Potting Mix 72776430 6 Quart (2 Pack)
  • Blended for a wide variety of container plants
  • Feeds up to 6 months
  • Designed to be less prone to gnats (Contains no compost or bark, which are known to shelter fungus gnats)
Roots Organics Original Potting Soil, 0.75 Cu ft
  • 0.75 Cu Ft
Minute Soil – Compressed Coco Coir Fiber Grow Medium – 3 Bricks = 4.5 Gallons of …
  • Compressed Coco Coir Fiber Grow Medium
  • 3 Bricks = 4.5 Gallons of Potting Soil
Michigan Peat 5540 Garden Magic Top Soil 40-Pound
  • Loosens heavy soils
  • Enhances moisture retention overall
  • Screened for uniform consistency
Sun Gro Horticulture Black Gold Natural & Organic Potting Mix 1 CF
  • 1 Cu Ft
Coast of Maine Stonington Blend Organic Growers Potting Soil Mix (8 Pack)
  • 8 Pack
Miracle Grow Potting Mix – 8 qt bag
  • 8 Qt
Miracle Gro All Purpose Potting Mix – 16 qt pouch
  • 15 lb
Miracle Gro 8 qt. Seed Starting Potting Mix
  • Lightweight Mix Of Sphagnum Peat Moss And Perlite
  • Ideal For Germinating Seeds And Rooting Leaf Stem And Root Cuttings
  • Enriched With Miracle Gro Plant Food To Help Build Strong Roots
Miracle-Gro Performance Organics Organic in Ground Soil 1.3 Cu. ft.
  • Organic & natural ingredients, blended with aged compost
  • Plant nutrition feeds all season, for use with vegetables
  • Flowers & herbs, formulated from compost
Organic Potting Mix, 20 Qts.
  • Weight: 1 pounds
  • Coverage Area: 1 cubic foot
Michigan Peat General All Purpose Premium Potting Soil w/Perlite, 50lbs (2 Pack)
  • 50 lbs
Mother Earth Groundswell Performance Soil
  • “Good for fast-growing annuals
  • tomatoes and vegetables”
  • “High-aeration formula optimizes air-holding capacity

1. Miracle-Gro Indoor Potting Mix 72776430 6 Quart (2 Pack)

Miracle-Gro Indoor Potting Mix 72776430 6 Quart (2 Pack)

  • Blended for a wide variety of container plants
  • Feeds up to 6 months
  • Designed to be less prone to gnats (Contains no compost or bark, which are known to shelter fungus gnats)
  • Contains coconut coir, which holds and releases water and helps soil easily re-wet

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Specifications

Details
Style Potting Mix,Bark
Item Volume 6 Quarts
Package Dimensions ‎14.5 x 12.9 x 4.6 inches

2. Roots Organics Original Potting Soil, 0.75 Cu ft

Roots Organics Original Potting Soil, 0.75 Cu ft

  • 0.75 Cu Ft

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Weight 16.5 oz

3. Minute Soil – Compressed Coco Coir Fiber Grow Medium – 3 Bricks = 4.5 Gallons of …

Minute Soil - Compressed Coco Coir Fiber Grow Medium - 3 Bricks = 4.5 Gallons of ...

  • Compressed Coco Coir Fiber Grow Medium
  • 3 Bricks = 4.5 Gallons of Potting Soil

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Details
Product Dimensions 7.5 x 6 x 3.5 inches
Is Discontinued By Manufacturer No

4. Michigan Peat 5540 Garden Magic Top Soil 40-Pound

Michigan Peat 5540 Garden Magic Top Soil 40-Pound

  • Loosens heavy soils
  • Enhances moisture retention overall
  • Screened for uniform consistency
  • Available in a 40 lb. bag
  • A blend perfect for dressing lawns and gardens

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Specifications

Details
OMRI Listed No
For Use in Vegetable Gardens No
For Use in Flower Beds Yes
For Use on Lawns No
Texture Medium

5. Sun Gro Horticulture Black Gold Natural & Organic Potting Mix 1 CF

Sun Gro Horticulture Black Gold Natural & Organic Potting Mix 1 CF

  • 1 Cu Ft

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6. Coast of Maine Stonington Blend Organic Growers Potting Soil Mix (8 Pack)

Coast of Maine Stonington Blend Organic Growers Potting Soil Mix (8 Pack)

  • 8 Pack

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Specifications

Details
Ideal For Growing Fruits & Vegetables
Bag Weight (lb.) 40 lb
Organic Yes
Soil Matter Organic
Soil Type Potting

7. Miracle Grow Potting Mix – 8 qt bag

Miracle Grow Potting Mix - 8 qt bag

  • 8 Qt

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Units in Package 1
Unit Size 4.04 lb
Directions Easy-to-Use Instructions: We recommend wearing gardening gloves when using this or other planting materials. 1. Select a pot with a drain hole. 2. Fill pot about 1/3 full. 3. Loosen root ball, place plant in pot. 4. Add more mix, press lightly. 5. Water, let drain. Lighting: Plants vary in their lighting requirements. Refer to plant tags for specific sun or shade needs. Watering: Let mix dry to the touch between waterings. Do not allow plants to sit in drainage water. Outdoor container plants require frequent watering – as often as once per day in hot, dry conditions. To take the guesswork out of watering try Miracle-Gro Moisture Control potting mix! Repotting: To avoid soil compaction and replenish nutrients, all container plants should be repotted annually with fresh Miracle-Gro Potting Mix.
Ingredients This Product is Formulated from (One or More of the Following: Processed Forest Products, Peat, Coir, and/or Compost), and Sphagnum Peat Moss, Perlite, Fertilizer (See Below), and a Wetting Agent. In California, This Product is Formulated from Processed Forest Products, Sphagnum Peat Moss, Peat, Perlite, Fertilizer (See Below), and a Wetting Agent. In Texas and Idaho, This Product is Formulated with Processed Forest Products, Sphagnum Peat Moss, Peat, Perlite, Compost, Fertilizer (See Below), and a Wetting Agent. In New Hampshire, This Product is Formulated from Sphagnum Peat Moss, Processed Softwood Bark, Processed Wood Products, Perlite, Fertilizer (See Below), and a Wetting Agent. In Georgia, This Product is Formulated from (45-55%) Processed Forest Products, Sphagnum Peat Moss, Peat, Perlite, Compost, Fertilizer (See Below), and a Wetting Agent. Miracle-Grow Potting Mix 0.21-0.11-0.16: Guaranteed Analysis: F1144: Total Nitrogen (N) (a Portion of the Nitrogen, Phosphate and Potash Has Been Coated to Provide [0.12%] Coated Slow Release Nitrogen [N], [0.04%] Coated Slow Release Available Phosphate [P2O5] and [0.08%] Coated Slow Release Soluble Potash [K2O]) (0.21%), Ammoniacal Nitrogen (0.113%), Nitrate Nitrogen (0.097%), Available Phosphate (P2O5) (a Portion of the Nitrogen, Phosphate and Potash Has Been Coated to Provide [0.12%] Coated Slow Release Nitrogen [N], [0.04%] Coated Slow Release Available Phosphate [P2O5] and [0.08%] Coated Slow Release Soluble Potash [K2O]) (0.11%), Soluble Potash (K2O) (a Portion of the Nitrogen, Phosphate and Potash Has Been Coated to Provide [0.12%] Coated Slow Release Nitrogen [N], [0.04%] Coated Slow Release Available Phosphate [P2O5] and [0.08%] Coated Slow Release Soluble Potash [K2O]) (0.16%). Derived from: Polymer-Coated: Ammonium Nitrate, Ammonium Phosphate, Calcium Phosphate, and Potassium Sulfate; and Ammonium Nitrate, Ammonium Phosphate, Calcium Phosphate, and Potassium Sulfate.
Warnings Keep out of reach of children.

8. Rosy Soil – Indoor Potting Mix | 8 qt (default)

Rosy Soil - Indoor Potting Mix | 8 qt (default)

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9. Miracle Gro Indoor Potting Mix – 6 qt

Miracle Gro Indoor Potting Mix - 6 qt

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10. Back to The Roots All-Purpose Soil Potting Mix

Back to The Roots All-Purpose Soil Potting Mix

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Specifications

Details
Country/Region of Manufacture United States
Indoor/Outdoor Indoor
Organic No
Application Flower Bed
Form Potting Soil
Volume 6 Dry Quarts

11. Pennington Ultra Grow Potting Soil Mix 1 C.F.

Pennington Ultra Grow Potting Soil Mix 1 C.F.

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12. Miracle Gro Garden Soil, All Purpose – 20 lb

Miracle Gro Garden Soil, All Purpose - 20 lb

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Units in Package 1
Unit Size 20 lb
Directions Instructions: We recommend wearing gardening gloves and washing hands after using this or other planting materials. For in-ground plants. 1. Spread 2-3 inches of product. 2. Mix into the top 6-8 inches of native soil. 3. Dig a hole and plant new plants. 4. Apply mulch (optional). How Much Soil Does Your Garden Need? 24 Sq Ft: 2 inch depth – 4 bags; 3 inch depth – 6 bags; 6 inch raised bed – 6 bags. 48 Sq Ft: 2 inch depth – 8 bags; 3 inch depth – 12 bags; 6 inch raised bed – 12 bags. 72 Sq Ft: 2 inch depth – 12 bags; 3 inch depth – 18 bags; 6 inch raised bed – 18 bags. 96 Sq Ft: 2 inch depth – 16 bags; 3 inch depth – 24 bags; 6 inch raised bed – 24 bags. Planting Individual Plants: Dig hole 2x as wide as the container/rootball. Blend a 50:50 mix of garden soil and native soil. Amending Garden Beds: Apply a 3 inch layer of garden soil and work into the top 6 inches of soil. Filling Raised Beds: Mix equal parts garden soil and topsoil or native soil.
Ingredients This Product is Formulated from (One or More of the Following Peat, Processed Forest Products) Coir, and/or Compost) and Sphagnum Peat Moss, Fertilizer, (See Below), and a Wetting Agent. In California This Product is Formulated with Processed Forest Product Compost, Sphagnum Peat Moss, Fertilizer (See Below), and a Wetting Agent. In Texas and Idaho This Product is Formulated with Compost, Processed Forest Products, Sphagnum Peat Moss, Fertilizer (See Below), and a Wetting Agent. Miracle-Gro Garden Soil All Purpose 0.09-0.05-0.07 Guaranteed Analysis F1144: Total Nitrogen (N) (a Portion of the Nitrogen, Phosphate and Potash Sources Has Been Coated to Provide [0.04%] Coated Slow Release Nitrogen [N], [0.01%] Coated Slow Release Available Phosphate [P2O5] and [0.03%] Coated Slow Release Soluble Potash [K2O]) (0.09%), Ammoniacal Nitrogen (0.05%), Nitrate Nitrogen (0.04%), Available Phosphate (P2O5) (a Portion of the Nitrogen, Phosphate and Potash Sources Has Been Coated to Provide [0.04%] Coated Slow Release Nitrogen [N], [0.01%] Coated Slow Release Available Phosphate [P2O5] and [0.03%] Coated Slow Release Soluble Potash [K2O]) (0.05%), Soluble Potash (K2O) (a Portion of the Nitrogen, Phosphate and Potash Sources Has Been Coated to Provide [0.04%] Coated Slow Release Nitrogen [N], [0.01%] Coated Slow Release Available Phosphate [P2O5] and [0.03%] Coated Slow Release Soluble Potash [K2O]) (0.07%), Derived from: Polymer-Coated Ammonium Nitrate, Ammonium Phosphate, Calcium Phosphate, and Potassium Sulfate; and Ammonium Nitrate, Ammonium Phosphate, Calcium Phosphate, and Potassium Sulfate.
Warnings Keep out of reach of children.

13. Miracle Gro All Purpose Potting Mix – 16 qt pouch

Miracle Gro All Purpose Potting Mix - 16 qt pouch

  • 15 lb

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Units in Package 1
Unit Size 16 qt
Directions Easy-to-Use Instructions: We recommend wearing gardening gloves when using this or other planting materials. 1. Select a pot with a drain hole. 2. Fill pot about 1/3 full. 3. Loosen root ball, place plant in pot. 4. Add more mix, press lightly. 5. Water, let drain. Lighting: Plants vary in their lighting requirements. Refer to plant tags for specific sun or shade needs. Watering: Let mix dry to the touch between waterings. Do not allow plants to sit in drainage water. Outdoor container plants require frequent watering – as often as once per day in hot, dry conditions. To take the guesswork out of watering try Miracle-Gro Moisture Control pitting mix! Repotting: To avoid soil compaction and replenish nutrients, all container plants should be repotted annually with fresh Miracle-Gro potting mix.
Ingredients This Product is Formulated from (One or More of the Following: Processed Forest Products, Peat, Coir, and/or Compost), and Sphagnum Peat Moss, Perlite, Fertilizer (See Below), and a Wetting Agent. In California, This Product is Formulated from Processed Forest Products, Sphagnum Peat Moss, Peat, Perlite, Fertilizer (See Below), and a Wetting Agent. In Texas and Idaho, This Product is Formulated with Processed Forest Products, Sphagnum Peat Moss, Peat, Perlite, Compost, Fertilizer (See Below), and a Wetting Agent. In New Hampshire, This Product is Formulated from Sphagnum Peat Moss, Processed Softwood Bark, Processed Wood Products, Perlite, Fertilizer (See Below), and a Wetting Agent. In Georgia, This Product Contains (45-55%) Processed Forest Products, Sphagnum Peat Moss, Peat, Perlite, Compost, Fertilizer (See Below), and a Wetting Agent. Miracle-Grow Potting Mix 0.21-0.11-0.16 Guaranteed Analysis F1144: Total Nitrogen (N) (a Portion of the Nitrogen, Phosphate and Potash Has Been Coated to Provide [0.12%] Coated Slow Release Nitrogen [N],[0.04%] Coated Slow Release Available Phosphate [P2O5] and [0.08%] Coated Slow Release Soluble Potash [K2O]) (0.21%), Ammoniacal Nitrogen (0.113%), Nitrate Nitrogen (0.097%), Available Phosphate (P2O5) (a Portion of the Nitrogen, Phosphate and Potash Has Been Coated to Provide [0.12%] Coated Slow Release Nitrogen [N], [0.04%] Coated Slow Release Available Phosphate [P2O5] and [0.08%] Coated Slow Release Soluble Potash [K2O]) (0.11%), Soluble Potash (K2O) (a Portion of the Nitrogen, Phosphate and Potash Has Been Coated to Provide [0.12%] Coated Slow Release Nitrogen [N], [0.04%] Coated Slow Release Available Phosphate [P2O5] and [0.08%] Coated Slow Release Soluble Potash [K2O]) (0.16%). Derived from Polymer-Coated: Ammonium Nitrate, Ammonium Phosphate, Calcium Phosphate, and Potassium Sulfate; and Ammonium Nitrate, Ammonium Phosphate, Calcium Phosphate, and Potassium Sulfate.
Warnings Keep out of reach of children.

14. Miracle Gro 8 qt. Seed Starting Potting Mix

Miracle Gro 8 qt. Seed Starting Potting Mix

  • Lightweight Mix Of Sphagnum Peat Moss And Perlite
  • Ideal For Germinating Seeds And Rooting Leaf Stem And Root Cuttings
  • Enriched With Miracle Gro Plant Food To Help Build Strong Roots
  • Discovery Acc, Con, Nbr, Nbr, Nbr, Nbr

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Weight 5.2 lb

15. Black Gold 1302040 8-Quart All Organic Potting Soil DZUdYk, 2 Pack

Black Gold 1302040 8-Quart All Organic Potting Soil DZUdYk, 2 Pack

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16. Miracle-Gro Performance Organics Organic in Ground Soil 1.3 Cu. ft.

Miracle-Gro Performance Organics Organic in Ground Soil 1.3 Cu. ft.

  • Organic & natural ingredients, blended with aged compost
  • Plant nutrition feeds all season, for use with vegetables
  • Flowers & herbs, formulated from compost
  • 1 or more of the following processed forest products
  • Sphagnum peat moss, peat, rice hulls &/or coir & fertilizer

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Package Weight 47.25 lbs.
MFG Brand Name MIRACLE-GRO
Coverage Area (ft²) 1.3
Bag Capacity (Measured By Dry Volume) Cubic Feet
Organic Yes

17. Organic Potting Mix, 20 Qts.

Organic Potting Mix, 20 Qts.

  • Weight: 1 pounds
  • Coverage Area: 1 cubic foot

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Coverage Area 1 cubic foot
Origin made in the USA and imported

18. Michigan Peat 5720 Garden Magic Potting Soil, 20-Pound

Michigan Peat 5720 Garden Magic Potting Soil, 20-Pound

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19. Michigan Peat General All Purpose Premium Potting Soil w/Perlite, 50lbs (2 Pack)

Michigan Peat General All Purpose Premium Potting Soil w/Perlite, 50lbs (2 Pack)

  • 50 lbs

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Used for Indoor/Outdoor Plants Indoor/Outdoor
Lowe’s Exclusive No
For Use on Lawns Yes
OMRI Listed No
For Use in Pots/Containers Yes

20. Mother Earth Groundswell Performance Soil

Mother Earth Groundswell Performance Soil

  • “Good for fast-growing annuals
  • tomatoes and vegetables”
  • “High-aeration formula optimizes air-holding capacity
  • providing an excellent environment for promoting root growth”
  • “Start feeding 2 weeks after planting”

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Details
Product Type Potting Soil
Ideal for Growing All Purpose
Bag Capacity/Dry Volume 1.5 cu ft
Brand Name Mother Earth

Best Soil For Growing Weed Indoors Buying Guides

The Different Types of Soil for Growing Weed Indoors

The three main types of soil for growing weed indoors are coco coir, perlite, and vermiculite. Coco coir is made from the husks of coconuts and is a popular choice for indoor growers because it is lightweight and easy to work with.

Perlite is a volcanic rock that is often used in hydroponic systems because it is excellent at retaining water. Vermiculite is a mineral that is often used in gardening to improve drainage and aeration.

The Pros and Cons of Using Soil for Growing Weed Indoors

There are a number of pros and cons to using soil for growing weed indoors. One of the main pros is that soil is a natural medium that can provide plants with the nutrients they need to grow. Soil also holds moisture well, which can be beneficial for indoor plants that may not have access to a lot of water.

Another pro of using soil is that it is relatively easy to find and purchase.

One of the main cons of using soil is that it can be difficult to control the soil environment. For example, if the soil is too wet, it can lead to problems with mold and mildew. If the soil is too dry, it can cause the roots of the plants to dry out and become stunted.

Soil can also be difficult to clean, which can lead to contamination issues.

The Best Soil Mixtures for Growing Weed Indoors

The best soil mix for growing weed indoors is one that is light and airy, yet contains enough nutrients to support healthy plant growth. A good mix will also hold moisture well and drain excess water quickly.

Some growers prefer to use a commercial potting mix, while others make their own mix using a combination of peat moss, perlite, and vermiculite.

How to Amend Soil for Growing Weed Indoors

To amend your soil for growing weed indoors, you will need to add organic matter to improve the quality of the soil. This can be done by adding compost, manure, or other organic materials to the soil.

You will also need to make sure that the soil is well-drained and has a pH level that is suitable for plants.

How to Prepare Soil for Planting Weed Indoors

To prepare planting indoors of soil for growing weed indoors, it is recommended that you use a soil mix that is high in organic matter and has good drainage. You will also need to add some perlite or vermiculite to the soil to help with drainage.

If you are using a pot, make sure it has drainage holes in the bottom. It is also a good idea to add a layer of gravel to the bottom of the pot to help with drainage.

How to Fertilize Soil for Growing Weed Indoors

To fertilize soil for growing weed indoors, you will need to purchase a quality fertilizer from your local gardening store. Follow the instructions on the fertilizer packaging for best results.

How to Water Soil for Growing Weed Indoors

The best way to water your soil for growing weed indoors is to use a soil moisture meter. Stick the meter into the soil in several different places around your plant. Check the meter regularly and water your plant when the meter indicates that the soil is dry.

How to Test Soil for Growing Weed Indoors

To test your soil for growing weed indoors, you will need to purchase a soil test kit from a gardening store or online. These kits typically come with a pH test and a nutrient test. To test the pH, follow the instructions included in the kit.

To test the nutrients, mix a small amount of soil with water in a container and shake it up. Then, using the included chart, compare the color of the water to the chart to determine the levels of each nutrient.

Conclusion

The best soil for growing weed indoors is a mix of 50% perlite and 50% vermiculite. This mix provides good drainage and aeration for the roots, and also holds moisture well.

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