Growing amaranth from seed is one of the few gardening wins where a quarter-ounce packet yields a six-foot ornamental tower, a bowl of microgreens, and enough grain for winter porridge — all from a single plant. But the difference between a successful harvest and a frustrating thinning session comes down to which seeds you put in the ground.
I’m Mohammad Maruf — the founder and writer behind Gardening Beyond. I’ve spent years comparing seed lot data, studying germination test results across suppliers, and analyzing aggregated owner feedback to find which amaranth varieties consistently perform in both soil and sprouting jars.
Whether you plan to harvest leaves for callaloo or let the tassels ripen into gluten-free grain, choosing the right seed lot matters. This guide breaks down the top options and what sets them apart, giving you everything you need to confidently pick your next batch of amaranth plant seeds.
How To Choose The Best Amaranth Plant Seeds
Amaranth seeds are tiny — roughly the size of poppy seeds — so a single ounce can contain over 70,000 seeds. That volume makes seed quality and variety selection more important than raw quantity when you’re deciding which pack to buy.
Grain Amaranth vs Leaf Amaranth vs Ornamental
Amaranthus cruentus and Amaranthus hypochondriacus produce the largest grain heads, while Amaranthus tricolor is bred for tender leaves. If you want both, look for “dual-purpose” seed lots — many heirloom Red Garnet varieties yield edible greens and viable grain from the same plant.
Organic Certification and Germination Windows
Certified organic seeds from reputable suppliers are tested for germination rates before packing. Look for “Packed On” and “Sell By” dates — seeds older than 15 months lose viability quickly. A 90% germination rate is excellent for amaranth; anything below 70% suggests improper storage or old stock.
Seed Quantity vs Planting Scale
A quarter-pound bag holds roughly 18,000 seeds — enough for a 50-foot bed of grain amaranth or several seasons of microgreen trays. If you only need a few ornamental plants, a 600-seed packet is far more practical than buying pounds of seed you’ll never use before viability drops.
Quick Comparison
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| Model | Category | Best For | Key Spec | Amazon |
|---|---|---|---|---|
| Plant Good Seed Variety Pack | Organic Variety | Multi-purpose garden trial | 4 varieties, 600 seeds each | Amazon |
| Seed Kingdom Red Garnet | Heirloom Bulk | Microgreens & grain harvest | 4 oz bulk, Amaranthus cruentus | Amazon |
| Dirt Goddess Red Garnet | Premium Organic | High-antioxidant microgreens | 1/4 lb organic, fuchsia leaves | Amazon |
| Handy Pantry Organic | Sprouting Bulk | Long-term food storage | 1 lb organic in resealable bag | Amazon |
| Anna and Sarah Organic Grain | Edible Grain | Kitchen grain cooking | 3 lbs ready-to-cook grain | Amazon |
In‑Depth Reviews
1. Plant Good Seed Organic Amaranth Variety Pack
This collection packs Chinese Giant Orange, Elephant Head, Hopi Red Dye, and Red Callaloo into one box — each packet holding 600 seeds. The organic certification and open-pollinated genetics mean you can save seeds from the tallest plants next season without losing vigor. Gardeners reporting sprouting within five days in soil and within two weeks for direct-sown beds confirm the high germination rates cited in customer reviews.
Each variety serves a different role: Red Callaloo is a top leaf producer for Caribbean-style cooking, while Chinese Giant Orange produces massive grain heads that can exceed six feet. The Hopi Red Dye variety offers ornamental value with deep red flower clusters that also work for natural dyeing. This is the most versatile option for anyone wanting to compare multiple amaranth types in one season.
One note on spacing: the 600-seed packets are generous, and customers report heavy thinning necessary when using standard seed-starting expectations. Direct-sow at half the recommended density to avoid overcrowding. If you want a single variety that does it all, this collection lets you decide which type performs best in your specific soil and climate.
What works
- Four distinct heirloom varieties allow side-by-side comparison in one season
- Certified organic with printed Packed On dates for freshness tracking
- Seeds are open-pollinated — save your own seed stock year after year
What doesn’t
- Each packet contains 600 seeds — excessive if you only want a few ornamental plants
- Hydroponic growing may require more careful thinning than soil beds
2. Seed Kingdom Amaranth Red Garnet Sprouting Microgreen Grain
Seed Kingdom’s Red Garnet Amaranth is a workhorse for microgreen growers. At 4 ounces, this bag provides enough seed for multiple trays of fuchsia-colored microgreens that germinate within 48 hours under standard sprouting conditions. The cultivar is Amaranthus cruentus, a tried-and-true grain-and-leaf dual-purpose variety that reaches six feet in the garden if allowed to mature.
The heirloom status is key here — these seeds are not hybrids, so you can let a few plants bolt to seed and harvest next year’s supply from your own garden. Several reviewers note the beet-like flavor makes this a standout garnish for sandwiches and salads. The sandy soil recommendation works well for both in-ground beds and drainage-heavy seed trays.
That said, one critical review reports a germination rate around 2% from a large bag, suggesting occasional lot variation. For microgreen use, always test a small sample before committing the entire bag to a tray. If your priority is consistent sprout production in a mason jar system rather than soil, consider whether the tiny seed size will drain effectively in your setup.
What works
- Fast germination — visible sprouts within 48 hours in standard sprouting conditions
- Dual-purpose: harvest as microgreens or let mature for grain and bird food
- Heirloom genetics allow seed saving for future seasons
What doesn’t
- Lot inconsistency reported — some bags show poor germination rates
- Bulk 4-ounce quantity is more than many home microgreen growers need
3. Dirt Goddess Bulk Organic Red Garnet Amaranth Seeds
Dirt Goddess positions this Red Garnet variant as a microgreen powerhouse, emphasizing the fuchsia-colored leaves that are richer in antioxidants than standard green microgreens. The quarter-pound bag is certified organic and labeled as heirloom Amaranthus cruentus, with plants topping out at six feet if left to flower in an outdoor garden. The fall blooming period and moderate watering needs align well with late-summer succession planting.
The customer feedback here is minimal but positive — seeds arrived safely despite USPS damage to packaging, and the seller communicated proactively. For gardeners who prioritize organic certification and want a visually striking microgreen tray, this is a strong pick. The 6-foot mature height also makes it functional as an ornamental privacy screen or bird-attracting border plant.
Because the seed count per bag isn’t specified, you’re paying for organic certification and brand reliability rather than raw volume. If you’re growing solely for grain production and don’t need the organic label, a non-organic bulk option at the same weight may offer better value. But for microgreen enthusiasts who serve organic food, this is a clean, direct option.
What works
- Certified organic with heirloom genetics ensures traceability and seed saving
- Fuchsia-red microgreens provide visual appeal and higher antioxidant content
- Plants reach six feet — suitable for ornamental screening and bird habitats
What doesn’t
- Exact seed count per bag is unclear — you’re buying by weight with organic premium
- Only one verified growing review available; long-term germination data is thin
4. Handy Pantry Organic Amaranth Seeds – 1 Lb
Handy Pantry provides a full pound of certified organic amaranth seed in a resealable container — the largest single variety offering in this lineup. The branding leans heavily on food storage and long-term shelf life, making this a candidate for preppers and bulk microgreen growers who rotate through large seed volumes. The sandy soil recommendation and high germination rate claims align with standard amaranth growing requirements.
Customer experiences are split: some reviewers praise the nutty flavor and easy preparation, while others report poor results when attempting to sprout the seeds in jars. The tiny seed size makes drainage difficult in standard sprouting lids — seeds can rot instead of germinating if water doesn’t drain fast enough. Users who succeeded used microgreen trays or soil beds rather than jar systems.
For grain cooking purposes, this pound functions well as a direct ingredient — boil 2.5 parts water to 1 part amaranth for 25 minutes. But if your primary goal is sprouting for fresh greens, the seed size and drainage challenges mean you’ll want to test a small batch before committing the full bag. The resealable container is a practical bonus for long-term pantry storage.
What works
- Full pound provides enough seed for extensive microgreen production or grain cooking
- Organic certified and stored in a resealable container for shelf stability
- Works well as a cooking grain with simple boil-and-simmer instructions
What doesn’t
- Tiny seed size causes drainage problems in standard sprouting jars — rot risk is real
- Mixed customer reviews suggest inconsistent germination for sprout production
5. Anna and Sarah Organic Amaranth in Resealable Bag, 3 Lbs
Anna and Sarah offers something different: the seeds are already hulled and ready for cooking as a grain, not for planting. This 3-pound bag is the largest volume option in the lineup and is intended for breakfast porridge, baking, or side dishes rather than garden sowing. The organic certification applies to the food-grade grain, with storage instructions recommending a cool, dry area and an airtight container after opening.
Customer feedback consistently highlights the high fiber content and versatility — users add it to breakfast grain bowls, cook it with almond milk, or use it as a protein-rich flour substitute. One reviewer notes the earthy, grassy aroma during cooking is an acquired taste, which is typical for amaranth grain compared to rice or quinoa. The resealable bag helps maintain freshness through several weeks of daily use.
This is not a product for garden planting. The seeds are processed for consumption and will not germinate reliably if sown. If you want to grow your own grain, choose one of the heirloom seed options above. But if your goal is to add a gluten-free, high-fiber grain to your pantry right now, this bag delivers at a volume that lasts a household months.
What works
- 3 pounds of ready-to-cook organic grain — excellent pantry value for daily use
- High fiber content keeps you full and supports digestive health
- Resealable bag design maintains freshness over extended kitchen use
What doesn’t
- Processed for cooking — will not germinate if planted in soil
- Earthy flavor profile may require recipe pairing for those new to amaranth grain
Hardware & Specs Guide
Understanding Seed Viability Windows
Amaranth seeds are tiny — roughly 1mm in diameter — which means they have a smaller endosperm and lose viability faster than larger seeds like beans or squash. Most amaranth seed packets include a “Packed On” or “Sell By” date. For optimal germination, use seeds within 15 months of that date. After 24 months, germination rates can drop below 50%, even in sealed storage. Store seeds in a cool, dark place below 70°F — a refrigerator is ideal for long-term preservation.
Germination Temperature and Depth
Amaranth requires soil temperatures of at least 60°F for reliable germination, with optimal sprouting occurring between 70°F and 85°F. Because the seeds are so small, plant them at a depth of no more than 1/8 inch — surface sowing with a light dusting of soil works best. Seeds need consistent moisture during the 5 to 14 day germination window. A fine mist spray prevents washing the tiny seeds away, a common beginner mistake that leads to uneven stands.
FAQ
Can I plant amaranth seeds from the grocery store for my garden?
How many amaranth seeds should I plant per square foot for grain harvest?
How long does it take for amaranth to go from seed to grain harvest?
Final Thoughts: The Verdict
For most gardeners, the amaranth plant seeds winner is the Plant Good Seed Organic Amaranth Variety Pack because it gives you four distinct heirloom varieties in one purchase, letting you discover which type thrives in your garden without committing to a single strain. If you want bulk seed for continuous microgreen production, grab the Seed Kingdom Red Garnet. And for direct kitchen use, nothing beats the Anna and Sarah 3-pound grain bag.