SproutSmart
SproutSmart Intelligent Garden Sowing

Illumination Orange

Family: Amaranthaceae Leafy Green

Planting Schedule

Add Illumination Orange to your garden to build a schedule and get reminders.

Sunlit at first glance, Illumination Orange leaf amaranth unfurls in vivid bands of warm orange and golden-green that glow above the garden bed.

Tender, spoon-shaped leaves carry a mild, pleasantly grassy bite with a soft, succulent texture—ideal for quick tosses, silky sauces, and vibrant pickling brines where color holds its own. Grow it for a bold harvest window around 35 days, when the foliage is most lush and richly colored.

Light: Full SunMaturity: 35 DaysHabit: Upright

Botanical illustration of Illumination Orange

Planting schedules and alerts are optimized for Columbus (Zone 6b).

Crop Dates

MilestoneDate
Start IndoorsDirect Sow
Last FrostApr 25th
Transplant / Sow OutdoorsApr 25th
Harvest BeginsMay 30th
Harvest EndsOct 16th

Crop Details

TraitValue
Days to Maturity35
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthSurface
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)40
Harden Off (days)Not Required

Culinary Notes


Chef's Note

Illumination Orange leaf amaranth eats like a tender, grassy green that stays supple rather than fibrous, so it folds fast and keeps color when it hits heat or vinegar. Use it where you want a soft wilt or a quick pickle—its mild bite won’t bully citrus, garlic, or chili, it just glows.

Best Uses

  • quick sauté or flash-wilt with garlic and chili before it turns watery
  • silky blended green sauce (tossed through pasta or spooned over eggs)
  • bright pickling brine applications where the orange bands stay vivid
  • raw chiffonade in salads for a light, edible-grass crunch

Flavor Profile

mildly grassy, fresh-bread flavor tender spoon-shaped leaves with a soft, succulent bite gentle tang when briefly dressed or pickled

Kitchen Pairings

garlic lemon toasted sesame oil rice vinegar feta chili flakes

Frequently Asked Questions


What pests or diseases commonly hit Amaranthus tricolor (illumination orange), and how can I manage them?
In home gardens, Amaranthus tricolor often suffers from aphids and leaf-eating caterpillars, which can quickly distort tender leaves. Check plants every 2–3 days and rinse aphids off with a strong water spray, then pick caterpillars by hand or use an insecticidal soap/BT on the leaf undersides. If you see leaf spots with fuzzy gray growth or stems staying wet, improve airflow, avoid overhead watering, and remove affected leaves to slow spread.
How often should I water Amaranthus tricolor during its main growing phase (about the first 3–5 weeks)?
Keep the soil consistently evenly moist but not waterlogged while plants are establishing and forming leaves—typically watering about 1–2 times per week depending on heat and soil, with more frequent watering in hot weather. Aim for top 1–2 inches of soil to stay lightly moist; if it’s dry at that depth, water deeply. Stop short of standing water because soggy conditions increase leaf-spot problems.
How do I know when Amaranthus tricolor is ready to harvest?
Harvest when the plants reach about 30–35 days and have developed a good leafy canopy with young, tender leaves (usually the newest growth). Pick leaves early in the morning, and use “cut-and-come-again” by snipping outer leaves first; the plant will often regrow for additional harvests if you keep it watered and fed lightly. Avoid waiting until leaves become tough or bitter—tender, fast-growing leaves are best.