7 Best Microgreen Growing Kits That Turn Compost Into Fresh Greens (2025 Guide)

If you're looking to transform your kitchen scraps into nutrient-dense microgreens, you'll find that 2025's innovative growing kits make it easier than ever. These systems combine smart design with sustainability, letting you turn compost into fresh, flavorful greens right on your countertop. From stackable units that maximize space to self-watering systems that take the guesswork out of cultivation, we've tested and ranked the top 7 kits that'll help you create your own sustainable microgreen garden.

Complete Home Microgreens Kit with Seeds and Growing Supplies

Whether you're new to indoor gardening or an experienced grower, the Complete Home Microgreens Kit offers everything needed to start cultivating nutrient-rich microgreens at home. The kit includes two reusable 8.8" x 5.5" trays, a premium spray mister, and coco coir growing medium made from coconut husk fiber.

You'll find two packs of USA-sourced organic seeds (radish and broccoli) to get started, with refills available separately. The compact design fits perfectly in apartments and offices, while the detailed instructions guarantee foolproof setup. Users report seeds sprouting within a day, and the kit's recyclable materials support sustainable living. You can even expand beyond microgreens to grow cilantro or green onions.

Best For: Apartment dwellers, beginners, and health-conscious individuals looking to grow fresh, nutrient-rich microgreens in a compact indoor space.

Pros:

• Complete starter kit with all essential supplies including reusable trays, spray mister, and organic seeds
• Compact design ideal for small spaces with minimal mess
• Easy setup with quick results, showing sprouts within first day

Cons:

• Limited seed variety included (only radish and broccoli)
• Requires separate purchase of growing medium and seeds for continued use
• Lacks detailed guidance for long-term maintenance and sourcing materials

Gardeners Supply All-in-One Microgreen Grow System

The Gardeners Supply All-in-One Microgreen Grow System stands out as an ideal choice for indoor gardeners who want to grow microgreens without natural sunlight. The integrated LED grow light with timer provides the perfect spectrum for healthy growth, while the all-in-one design includes a growing tray and water reservoir.

You'll appreciate the system's versatility, as it works with hydroponic methods, potting mix, or specialized wicking mats. Built from durable aluminum alloy, iron, and polypropylene, the compact unit measures 15.25" x 7.5" x 8.5" and weighs under 4 pounds. While some users note missing germination covers, the 100% satisfaction guarantee guarantees you can exchange or return the product if it doesn't meet your needs.

Best For: Indoor gardening enthusiasts and home cooks who want to grow fresh microgreens year-round without relying on natural sunlight or outdoor space.

Pros:

• Complete all-in-one system with integrated LED grow light and timer
• Versatile growing options including hydroponic, soil, or growing mats
• Compact, durable design that's easy to assemble and maintain

Cons:

• Germination cover not included with the system
• Limited growing space (15.25" x 7.5") may restrict harvest size
• Higher initial investment compared to basic growing methods

Window Garden Microgreens Grow Kit with Seeds and Growing Tools

Aspiring indoor gardeners will find the Window Garden Microgreens Grow Kit an excellent entry point into year-round microgreen cultivation. The BPA-free acrylic tray system comes complete with non-GMO seeds and fiber soil, measuring a compact 15 x 6 x 2 inches.

You'll appreciate the kit's straightforward setup and clear instructions, with most crops ready to harvest in about 10 days. While the 4.3-star rated system excels at basic microgreen growing, you'll need to monitor water levels carefully and avoid leaf spraying to prevent mold. Though some users mention it's pricier than buying components separately, the kit's reusability and versatility make it a worthwhile investment for both beginners and experienced growers.

Best For: Home gardening enthusiasts and health-conscious individuals looking for an easy way to grow fresh microgreens year-round in a compact indoor space.

Pros:

• Complete all-in-one kit with high-quality components including BPA-free tray, non-GMO seeds, and fiber soil
• Simple setup with clear instructions and quick 10-day harvest cycle
• Versatile and reusable design suitable for growing microgreens, succulents, and herbs

Cons:

• Higher price point compared to purchasing components separately
• Requires careful water level monitoring and maintenance to prevent mold
• Some users report challenges with achieving optimal crop density and height

UQM 4-Tier Stackable Seed Sprouting Kit (2 Set)

Space-conscious gardeners seeking a versatile sprouting solution will appreciate UQM's 4-tier stackable kit, which delivers two complete sets for simultaneous growing. Each BPA-free set includes four transparent trays, a sprouting lid, base, and blackout cover – all fitting neatly within 6x6x2.6 inches.

You'll find the soilless design perfect for growing various sprouts in 5-7 days. Simply rinse your seeds, place them in the trays, and water through the lid for even distribution. While the system's hole design prevents seed loss, you might want to avoid smaller seeds, as some users report germination issues. The included blackout cover helps produce sweeter, longer sprouts for shade-loving varieties.

Best For: Home gardeners and health enthusiasts who want to grow multiple varieties of sprouts simultaneously in a compact, space-efficient setup.

Pros:

• Complete kit includes two sets of stackable trays for growing multiple sprout varieties at once
• BPA-free, food-grade materials ensure safe and healthy sprout production
• Transparent design with blackout cover option allows easy monitoring and versatile growing conditions

Cons:

• Poor performance with smaller seeds due to drainage issues and low germination rates
• Some users report problems with mold development and fruit flies
• Lacks comprehensive instructions for beginners, leading to potential growing challenges

Self Watering Microgreens Growing Kit with Seeds and Mats

Busy home gardeners seeking nutritious homegrown greens will find ZESTIGREENS' self-watering microgreens kit an ideal solution. You'll only need to water once, thanks to its innovative design that maintains peak moisture levels throughout the growing cycle.

The complete kit includes everything you need: a stylish bamboo-surrounded tray, growing mats, and five seed varieties like broccoli and kale. Your microgreens will be ready in 5-7 days, offering 40% more nutrients than store-bought alternatives. With clear photo instructions and a 90% germination rate, you're set for success even if you're new to indoor gardening. While yields are modest, they're perfect for personal use and kitchen counter cultivation.

Best For: Health-conscious individuals and busy professionals who want to grow fresh, nutrient-rich microgreens at home with minimal maintenance and no gardening experience.

Pros:

• Self-watering system requires only one initial water application, making it extremely low maintenance
• Complete kit includes everything needed to start growing, with clear photo instructions for beginners
• High germination rate (90%) and quick results with harvest ready in 5-7 days

Cons:

• Growing mats are single-use only, requiring replacement for continued use
• Relatively small yield size may not be sufficient for larger households
• Higher price point compared to basic growing systems without self-watering feature

Back to the Roots Organic Microgreens Grow Kit with Ceramic Planter

Health-conscious home gardeners will appreciate the Back to the Roots Organic Microgreens Grow Kit, which comes complete with a stylish ceramic planter, expandable soil, and an organic seed blend.

You'll find mixed success with this tabletop kit – while cilantro and basil sprout reliably, mint tends to struggle. Place your planter on a warm windowsill and maintain consistent misting for best results. The ceramic container adds aesthetic appeal to your counter space, though you'll need to seed frequently to maintain continuous harvests.

While the kit offers convenience, you might encounter challenges with seed quantity and occasional pest issues. Consider the value proposition, as some users find better economy in purchasing components separately.

Best For: Home gardening enthusiasts who want an attractive, beginner-friendly way to grow organic microgreens indoors and don't mind frequent maintenance.

Pros:

• Complete kit includes everything needed to start growing, including an attractive ceramic planter
• Successfully grows certain varieties like cilantro and basil with minimal expertise
• Compact tabletop design fits well in small spaces while adding aesthetic appeal

Cons:

• Inconsistent germination rates, particularly with mint varieties
• May require frequent seed replenishment for continuous harvests
• Higher cost compared to buying individual components separately

4-Tier Seed Sprouting Kit with Drain Holes and Tray

Gardeners seeking a versatile sprouting solution will find the PHAIN 4-Tier Seed Sprouting Kit invaluable for year-round indoor growing. This stackable system features food-grade PP plastic trays with effective drainage holes and ventilation for ideal humidity control.

You'll appreciate the corrugated design that keeps seeds in place while excess water drains efficiently. The kit includes both clear and solid trays, plus a blackout bag for various growing stages. At just 1.34 pounds, it's lightweight yet durable. While small seeds might need a liner to prevent clogging, the system excels at sprouting everything from bean sprouts to wheat grass. Its space-saving design lets you maintain continuous harvests through staggered planting.

Best For: Home gardeners and health enthusiasts who want to grow fresh sprouts year-round in a compact, indoor setup without soil.

Pros:

• Space-efficient stackable design with multiple tiers for continuous harvesting
• Made from durable, food-grade PP plastic with effective drainage and ventilation system
• Complete kit includes clear and solid trays plus blackout bag for different growing stages

Cons:

• Small seeds may slip through drainage holes without additional liner
• Limited height between tiers may restrict growth of larger seedlings
• Single color option (green) may not match all kitchen décor preferences

Factors to Consider When Choosing Microgreen Growing Kits for Using Your Compost

When choosing a microgreen growing kit for your compost, you'll need to evaluate the tray's design for proper drainage and guarantee the materials are compatible with organic matter decomposition. You'll want to check that your available space matches the kit's dimensions and that the growing medium can effectively blend with your compost material. The kit's overall construction quality will determine how well it handles moisture retention and prevents contamination while supporting healthy microgreen growth.

Tray Design and Drainage

Three key elements of successful microgreen cultivation depend on proper tray design and drainage features. You'll need adequate drainage holes to prevent water pooling, which can cause root rot and mold issues in your microgreens. Look for trays with strategically placed holes that promote both ventilation and moisture control.

When you're using compost as a growing medium, choose stackable trays that maximize your growing space while maintaining proper airflow. The design should include non-slip features to keep seeds in place during germination, preventing uneven growth patterns and overcrowding. You'll also want trays that are easy to clean and reuse, making them ideal for sustainable practices with your compost system. These features work together to create ideal growing conditions for your microgreens while supporting environmentally conscious cultivation methods.

Compost Compatibility Assessment

Selecting an appropriate microgreen growing kit requires careful evaluation of its compost compatibility features. You'll need to verify if your kit's growing medium can effectively integrate with compost materials, as some kits specifically use coco coir or specialized soil mixes.

Before adding compost to your kit, confirm it's well-aged and pathogen-free to prevent germination issues. Check if your kit's design allows for compost as a top dressing or mix-in supplement. You'll also want to assess the drainage system, as compost retains more moisture than standard mediums.

Don't forget to match your compost's nutrient profile with your chosen microgreen varieties. If you're using nutrient-rich compost, you'll need a kit that can handle the additional moisture while maintaining proper aeration for healthy root development.

Space and Size Requirements

Before diving into your microgreen growing journey, you'll need to evaluate the spatial requirements of potential growing kits, particularly if you're planning to incorporate compost. Measure your available counter or shelf space to determine the ideal kit dimensions that'll work in your setup.

For apartment dwellers, compact kits with dimensions around 8.8" x 5.5" offer an efficient solution. If you're working with limited horizontal space, consider stackable systems that maximize vertical growing capacity. Don't forget to account for the height your microgreens will reach as they mature.

When selecting your kit, prioritize models with proper drainage and ventilation features. These elements are essential for successful growth, especially when using compost as your growing medium, and they'll help guarantee your microgreens thrive in their designated space.

Growing Medium Integration

While choosing a microgreen growing kit for your compost setup, you'll need to focus on medium compatibility and integration options. Look for kits that incorporate organic growing mediums like coco coir or fiber soil, as they'll work seamlessly with your compost additions.

Consider systems that use hydroponic mats or seed sprouting trays, which can maximize nutrient retention when combined with compost. You'll want to verify the growing medium can easily blend with compost amendments to boost microbial activity and nutrient availability for your microgreens.

Select kits that offer convenient disposal or composting of used growing mediums, creating an efficient closed-loop system. If possible, opt for products with refillable medium options, allowing you to mix your compost with provided substrates for enhanced growth and sustainability.

Material Quality Control

Since material quality directly impacts your microgreens' health and safety, choosing kits made from BPA-free, food-grade plastics is crucial when incorporating compost. You'll want to look for durable materials that can handle regular exposure to moisture and organic matter without breaking down.

When examining growing kits, check for proper drainage features, as these prevent water accumulation and support healthy root development in your compost-enriched medium. Select containers that won't degrade when exposed to the nutrients and beneficial microorganisms present in compost. Confirm the kit's design accommodates sustainable growing mediums like coco coir or fiber soil, which work well with composting practices.

Additionally, invest in kits that you can easily clean and reuse. This not only supports eco-friendly gardening but also guarantees you'll get the most value from your composting efforts.

Frequently Asked Questions

How Long Can Microgreens Be Stored in the Refrigerator After Harvesting?

You can store your harvested microgreens in the refrigerator for 5-7 days when properly dried and kept in an airtight container. They'll stay freshest if you don't wash them until you're ready to eat.

Can Microgreens Be Grown Outdoors Using These Kits During Winter Months?

You can't grow microgreens outdoors in winter using these kits since they're designed for indoor use. Cold temperatures will damage the delicate plants. Instead, keep your growing setup inside where it's warm and controlled.

Are Microgreens Safe to Feed to Pets and Small Animals?

You can safely feed most microgreens to pets, but you'll want to research specific varieties first. Common safe options include wheatgrass, pea shoots, and sunflower sprouts. Always introduce new foods gradually to avoid digestive issues.

What Percentage of Seeds Typically Germinate in Microgreen Growing Kits?

You'll typically see 80-95% germination rates with quality microgreen seeds when properly stored and planted. However, rates can drop to 60-70% if you're using older seeds or maintaining suboptimal growing conditions.

Can Disease-Causing Bacteria Grow in Compost-Based Microgreen Growing Systems?

Yes, you'll need to be careful as harmful bacteria like E. coli and Salmonella can grow in compost systems. Keep your growing environment clean, use sterilized compost, and maintain proper moisture levels to prevent bacterial growth.