Organic Rice Hulls (50 lb Bag)
SKU: 88270877629

Organic Rice Hulls (50 lb Bag)

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Description

Organic Rice Hulls (50 lb Bag)This uniquely processed rice hull amendment is a readily renewable resource requiring no mining or land disruption to produce. As so many growers have learned, it is a perfect replacement for perlite in the growing media providing a less dusty mixing environment, lower basic cost and decomposition over time, while remaining stable during the typical plant production cycle. OMRI listed and WSDA registered for organic production. Extremely lightweight

This uniquely processed rice hull amendment is a readily renewable resource requiring no mining or land disruption to produce. As so many growers have learned, it is a perfect replacement for perlite in the growing media - providing a less dusty mixing environment, lower basic cost and decomposition over time, while remaining stable during the typical plant production cycle.

  • OMRI listed and WSDA registered for organic production.

  • Extremely lightweight and highly compressed when packaged, it generates less waste and reduces storage requirements, handling and freight.

  • De-compressed, it is 7.5 cu. ft. Its physical size, shape and bulking properties produce optimum air-filled pore space, water-holding capacity and drainage, while its natural color blends with other media components.

  • Uniquely processed to ensure purity, sized, cleaned and subjected to a series of heat treatments that collectively sterilize the rice hulls and render any residual rice kernels, weed seeds or disease pathogens non-viable.

  • Greenhouse-proven, offers environmental, horticultural and economical advantages. Growers who rely on it gain sustainability, reduce input costs and sacrifice nothing in terms of plant quality.

Introduction to Rice Hulls

Rice hulls offer valuable benefits for improving soil structure, particularly in clay soils where soil particles tend to compact, hindering root growth. When incorporated into clay soil, rice hulls help break up compacted layers, creating pathways for plant roots to penetrate and access nutrients and water more easily. Their lightweight and rigid nature contribute to enhanced aeration and drainage, promoting healthier root growth and overall plant vigor in various soil types. Gardeners and farmers can rely on rice hulls to optimize soil conditions and support robust plant development, especially in challenging clay soils.

Rice hulls, also known as rice husks or rice chaff, are a byproduct of the rice milling process. They are the protective outer layer of rice grains and are often discarded as waste. However, rice hulls have gained recognition for their various uses, particularly in agriculture and gardening.

The type of soil plays a crucial role in determining the availability of water and nutrients for plant growth. Soil rich in organic matter and well-draining, such as loamy soil, facilitates the absorption of water and nutrients by plant roots, promoting healthy growth and development. In contrast, compacted or sandy soils may struggle to retain moisture and nutrients, leading to stunted plant growth. By improving soil structure and water retention, organic amendments like compost or peat moss can enhance the soil's ability to absorb water and nutrients, ensuring optimal conditions for plant growth and vitality.

Understanding soil texture through soil testing is essential for assessing moisture content and determining the suitability of the soil surface for plant growth. Different soil textures, such as sandy, loamy, or clayey, have varying abilities to retain moisture, affecting plant hydration and overall health. Conducting regular soil tests helps gardeners gauge the moisture levels and adjust irrigation practices accordingly to maintain optimal conditions for plant growth.

Advantages of Rice Hulls Over Other Soil Amendments

Compare rice hulls to alternatives like perlite, vermiculite, and peat moss

Rice hulls, particularly rice husk ash, offer several advantages over traditional soil amendments like perlite, vermiculite, and peat moss. Unlike perlite and vermiculite, rice hulls provide a sustainable and renewable resource from the rice milling process, reducing the environmental impact. Their high silica content enhances the porous structure of the soil, improving water holding capacity and aeration without the need for mining or extraction. Additionally, rice hulls decompose over time, returning valuable nutrients to the soil, unlike perlite, which remains inert. This makes rice hulls a versatile and eco-friendly alternative for improving soil structure, aiding weed control, and enhancing plant growth throughout the growing season.

Highlight benefits such as lower cost, sustainability, and environmental impact

Rice hulls, derived from the rice milling process of paddy grain, serve as a sustainable and cost-effective soil amendment compared to traditional options like perlite. Their high silica content and porous structure enhance water holding capacity and provide effective weed control, benefiting plants throughout the growing season. By utilizing rice husk ash, farmers not only repurpose by-products from rice mills but also mitigate air pollution associated with direct combustion, making it an environmentally friendly choice for agricultural practices.

How to Use Rice Hulls in Different Soil Types

Tips for incorporating rice hulls into sandy, loamy, and clay soils

Incorporating rice hulls into various soil types can significantly enhance soil structure and plant growth. For sandy soils, rice hulls improve water holding capacity and reduce erosion by increasing soil stability. In loamy soils, they enhance aeration and drainage while blending seamlessly with existing components. For clay soils, rice hulls serve as a soil amendment to break up compacted layers, improving root penetration and nutrient access. By utilizing rice hulls, which are a byproduct of the rice milling process and rich in high silica content, including rice husk ash, gardeners and farmers can optimize soil conditions across different soil types and enhance overall plant health.

Specific techniques for optimal results based on soil texture

To optimize results, tailor the use of rice hulls to your soil type. For sandy soils, mix rice hulls to enhance water holding capacity and reduce erosion. In loamy soils, integrate rice hulls to improve aeration and blend seamlessly with existing media. For clay soils, use rice hulls as a soil amendment to break up compacted layers and enhance drainage. Leveraging the high silica content, including rice husk ash, and porous structure of rice hulls from the rice milling process helps achieve better soil conditions and supports robust plant growth across diverse soil textures.

Characteristics of Rice Hulls

Rice hulls are lightweight, rigid, and have a unique composition that makes them valuable in several applications:

  1. Lightweight: Rice hulls are extremely lightweight, which makes them easy to handle and transport. They have a low bulk density, contributing to their utility in various industries.

  2. High Silica Content: Rice hulls contain a significant amount of silica (approximately 15-20%), making them an excellent source of this essential plant nutrient. Silica contributes to the strength and structure of plants.

  3. Low Water Absorption: Rice hulls have low water absorption properties, meaning they do not readily retain moisture. This characteristic is advantageous in some agricultural applications.

  4. Biodegradable: Rice hulls are completely biodegradable, making them an environmentally friendly option for various purposes.

Benefits of Rice Hulls in Agriculture

Rice hulls offer several benefits in agricultural practices, including:

  1. Soil Amendment: Rice hulls can be used as a soil amendment to improve soil structure and aeration. They help break up compacted soils and enhance water drainage, particularly in clayey soils.

  2. Moisture Retention: While rice hulls do not retain moisture themselves, they can be mixed with other organic materials to create a moisture-retentive mulch or soil mix. This can be particularly helpful in preventing soil erosion and reducing water consumption.

  3. Weed Control: A layer of rice hulls can act as a natural weed barrier when applied as mulch. This reduces the need for synthetic weed control methods and minimizes competition for nutrients and moisture among crops.

  4. Slow-release Silica: The high silica content in rice hulls provides a slow-release source of this essential nutrient to plants. Silica enhances plant cell strength, making them more resistant to pests and diseases.

Applications in Horticulture

Rice hulls find applications in horticulture as well:

  1. Potting Mix: Rice hulls can be incorporated into potting mixes to improve drainage and aeration. This is particularly beneficial for plants that prefer well-draining soils, such as succulents and cacti.

  2. Orchid Cultivation: Rice hulls are commonly used as a growing medium for orchids due to their ability to retain moisture while allowing for adequate aeration. This creates a suitable environment for orchid root development.

Other Uses of Rice Hulls

Apart from agriculture and horticulture, rice hulls have additional applications:

  1. Animal Bedding: Rice hulls are used as bedding material for various livestock, such as poultry and horses. They provide a comfortable and sanitary bedding surface while also being easy to clean and dispose of.

  2. Industrial Uses: Rice hulls can be utilized in industrial processes, such as in the production of insulation materials, abrasive products, and even as a component in making building materials like bricks and concrete.

Rice hulls, often considered a waste product, have proven to be a valuable resource in various fields. Their lightweight nature, high silica content, and biodegradability make them versatile for agricultural, horticultural, and industrial applications. Whether improving soil quality, conserving moisture, or serving as a natural weed control method, rice hulls offer numerous benefits to both gardeners and farmers. Additionally, their use as animal bedding and in industrial processes demonstrates their potential to contribute to sustainability and resource efficiency across industries.

For more information, see our companion guide on how to use rice hulls.

Why Order Rice Hulls From Us

At Peaceful Valley Farm & Garden Supply, our rice hulls offer unmatched quality and value, thanks to our meticulous processing methods that ensure purity and consistency. Our rice husks are sourced from reliable rice growing regions and processed under controlled temperature conditions to maximize their effectiveness as a soil amendment. Whether you’re looking to improve soil structure or enhance plant growth, our rice hulls are free from contaminants like fly ash and ash content, making them ideal for your agricultural and horticultural needs. Choose us for premium rice hulls that provide superior performance and contribute to sustainable practices. Shop now to experience the Peaceful Valley difference and elevate your gardening and farming with our trusted products!

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SKU: 88270877629

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Travelyn
Phoenix, US
★★★★★ 5
Smells Amazing and Works Fabulous!
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 8 Fl Oz (Pack of 1)
I love the smell of Hawaiian Tropic sunblock. Not only does it smell delicious, it lasts better than any others I have used. I put it on and wait for at least 15 minutes before going into the sun so it can set in. When I am outside I reapply about once an hour. If I am in the water I tend to reapply at least every 45 minutes. This product does its job without being greasy or heavy.
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Reviewed in the United States on December 26, 2025
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Mwarren
Pawtucket, US
★★★★★ 5
Excellent product
Sun protection factor: 50 Sun Protection Factor (SPF), Size: 8 Fl Oz (Pack of 1)
It smells nice and stays on all day
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Reviewed in the United States on March 19, 2026
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Madden
Birmingham, US
★★★★★ 5
This has become my go to daily sunscreen
Size: 1.7 Ounce (Pack of 1)
After first purchasing a year ago, this has become my daily go-to facial sunscreen while others just sit taking up space in my medicine cabinet. I have sensitive skin and severe reactions to chemical sunscreen and have been searching for the perfect mineral sunscreen for several years after starting tretinoin made my reaction to chemical sunscreen intolerable. I only recently figured out I am also highly sensitive to chemical boosters found in a lot of mineral sunscreens. Especially Butyloctyl salicylate. That one is a no-go for me and until I learned about chemical boosters found in a lot of "100 % mineral" sunscreens, could not figure out why some of my sunscreens made my face flush red and feel like it was on fire when I was in the sun. Lab Muffin is my hero. My skin is dry, mature, and sensitive with some lines/wrinkes, large pores, and rosacea. At first I thought this Sun Bum tinted mineral would be too drying as it has a very light texture vs being creamy. But it is not and the texture makes for a light but effective formula. PROS: - Mineral formula with no chemical boosters. - Does not settle in pores and wrinkles. After applying it settles slightly in lines, but a quick blend with a blending brush and it is good for the day. - Blends easily into hairline and brows. - Does not sting my eyes when I sweat and seems relatively sweat proof. -Does not transfer tint to clothes once it dries down. Even when I wipe away sweat.... nothing seems to come off. It is the only tinted mineral I have tried with little to no tint transfer. - Blends easily with a very soft silky texture that allows you to blend without any tugging on the skin like a lot of mineral formulas. - Matte finish but with a subtle glow. - Tint provides light coverage to even out skin, though does not cover everything. As someone who rarely wears makeup I appreciate the subtle coverage which does not look overdone but helps my skin look better. - Does not emphasize occasional tretinoin dry patches. Some of my other sunscreens (even tinted) seem to make dry patches look worse. This formula covers them without emphasizing (or irritating) them. - Does not feel heavy on my skin. I can't stand feeling sunscreen on my face (or anything which is the main reason I do not wear much makeup) and this formula is so light once it is on I forget it is there. -Light coverage lasts all day if I don't sweat. Needs some reapplication when sweating. -Does seem to provide SPF 30 coverage. With reports about sunscreens underperforming lately, this one does appear to work. I can burn in less than 15-20 minutes in full sun, but no problems with this sunscreen when reapplied after sweating or long sun exposure (I work outdoors as a field biologist, so this one is huge. While I usually wear a hat, it does not cover everything as I cannot use a wide brim hat for my work.) CONS: - The tube. It is not awful, but I always seem to get a build up of product in the cap no matter what I do. This seems like a waste of product, but is really a minor complaint. - It does separate, but states clearly to shake before use. It seems to mix easily, so this is not really a con, just a warning to give it a good shake. - Would love an option for an SPF 50, but again, minor complaint. Overall, this is by far the best mineral facial sunscreen I have found so far for my particular skin and is used daily. The only reason I ever use anything else is to try to use them up. Other brands I have tried include: Undefined R&R sun serum SPF 50 ( a little too "glowy", emphasizes pores, and has niacinimide which I have to use with caution), Naked Sundays Collagen Glow mineral sunscreen SPF 50 (heavier and feel it on skin, but is my go-to when I must have SPF 50), CoTZ Flawless Complexion SPF 50 (feels heavy and not waterproof. Also even though I can'y find any chemical boosters in ingredients, something in this one makes my skin feel like it is on fire when in the sun), Cocokind daily SPF 32 (ok for a non tinted formula as not much whitecast, but does feel heavier than I would like), Murad City Skin Age Defense SPF 50 ( just too expensive), Koh Gen Do Watery Spa UV SPF 50 (my go-to non tinted formula these days though I still feel it on my skin and not waterproof and think it has been reformulated recently), Vanicream Facial Moisturizer SPF 30 (too thick and heavy), Hero Force Shield SPF 30 (was my favorite next to the Sun Bum until I realized the reaction in the sun was from the chemical booster Butyloctyl salicylate 😩), Agency SilkScreen SPF 50 (was ok, a bit too greasy and not much coverage, but went to back of pack as it has chemical boosters), Haruharu Wonder Black Rice Pure Mineral SPF 50 (I loved this formula and purchased several times before finally learning the reaction in the sun was from chemical boosters), Cetaphil Sunscreen Face Drops SPF 50 (quit using due to flaming face in sun as this one also has chemical boosters), and Etude Sunprise SPF 50 (only used ocassionally due to fragrance, but liked this formula until I clued into chemical boosters).
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Reviewed in the United States on November 15, 2025
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Maya
Omaha, US
★★★★★ 5
Love love love!
Size: 1.7 Ounce (Pack of 1), Size: 1.7 Ounce (Pack of 1)
I’m a big hyram fan and after I found out dear clairs and other Korean chemical sunscreen might not be as effective as claimed, I bought this product off of his recommendation. I was a little nervous about a few things. For one I have the worlds Oiliest skin. I felt like dear klairs (my old sunscreen) did leave a bit of shine but it had controlled my oil better than any other sunscreen I tried... until now. This is the closest my skin has ever looked to “normal” as far as oiliness goes so props to that! I also was hesitant on this product because of the tint but also didn’t want a white cast. I would say I’m light to medium with an olive undertone and I think it matches my skin really well! It almost looks like I have makeup on bc my skin tone much more even , but it doesn’t cover breakouts. I happened to have a few pimples (already had them ,not caused by the sunscreen) so you can see that the sunscreen doesn’t cover them completely but blurs/evens out the clear part of my skin. There is a slight white cast but I think the tint offsets it. . I couldn’t speak for other skin tones but I think if you’re light to medium/olive it matches really really well. Finally I love the texture, it’s almost velvety and doesn’t pull on the skin which I hate in a face sunscreen. Not too thick not too watery, and just feels nice to apply. So I don’t really have anything bad to say about this product, but I’ve only had it two days so I’ll have to see if it causes any breakouts ect. But so far I would highly recommend! Update: I have been using this for well over a year now, and I can never go back to anything else! It doesn't cause breakouts even when I've slept with it on by accident. I use it instead of a primer under my foundation, and it works amazing. I literally have no complaints; I have not gotten a sunburn since I started using this. I just reapply every few hours when I'm at the beach/pool. I love reapplying because it controls my oil and gives that blurred bb cream effect, I'm also able to put it under my eyes/on my eyelids without burning my eyes. I was never someone who got compliments on my skin, but that changed when I started using this along with the rest of my skincare routine (Shoutout Hyram!) I'm so glad I found this product! 2024 Update! Still loving and using this sunscreen! I decided to try a couple of different brands earlier this year just because I hadn't ever branched out after finding this product, but this remains the best-tinted sunscreen for oil control and pore blurring I've ever tried!
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Reviewed in the United States on March 20, 2021
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EneMan
Lake Worth, US
★★★★★ 5
Great tinted physical sunscreen
Size: 1.7 Ounce (Pack of 1)
This is my new favorite sunscreen. It goes on matte, but is still easy to put on/not pasty. The tint is enough to get rid of the ghost look but not so much that it looks like fake tanner. It's a bit greasier feeling than I'd like but it doesn't look greasy at all so I'll take it.
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Reviewed in the United States on March 31, 2026

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