Spinach Amaranth
🌱 35d to harvest
Upright
Tender, spinach-like leaves unfurl with a lush, velvet sheen and a pleasantly mild, green bite that’s never harsh. Spinach Amaran…
Crop Dates
| Milestone | Date |
|---|---|
| Start Indoors | Direct Sow |
| Last Frost | May 15th |
| Transplant / Sow Outdoors | May 15th |
| Harvest Begins | Jun 19th |
| Harvest Ends | Aug 25th |
Crop Details
| Trait | Value |
|---|---|
| Days to Maturity | 35 |
| Sun Requirements | Full Sun |
| Growth Habit | Upright |
| Support Needed | None |
| Planting Depth | Normal |
| Germination Temp (°F) | 75 |
| Min Soil Temp (°F) | 65 |
| Min Night Temp (°F) | 50 |
| Harden Off (days) | Not Required |
Recommended Companions
Frequently Asked Questions
What pest or disease problem most commonly affects Amaranthus dubius (spinach amaranth), and how can I control it?
Spinach amaranth in home gardens commonly suffers from leaf-chewing caterpillars and aphids; leaves may look ragged or sticky with ants visiting. Hand-pick caterpillars early, blast aphids off with a strong water spray, and apply insecticidal soap to affected leaf surfaces in the evening, repeating every 5–7 days until you see no new damage. Keep plants spaced for airflow to reduce leaf spotting and remove heavily infected leaves promptly.
How often should I water Amaranthus dubius during the main growing phase to keep it producing tender leaves?
During the active leaf-growth period, keep the top 1–2 inches of soil consistently moist but not waterlogged. In warm weather, this usually means watering about 1–2 times per week, increasing to more frequent watering if the soil dries out faster. Water at the soil line to avoid wetting the leaves, and pause watering only long enough to prevent soggy soil (which can reduce leaf quality and invite foliar issues).
How do I know when Amaranthus dubius is ready to harvest?
Harvest when plants are about 20–30 cm (8–12 in) tall and the leaves are tender and fully expanded, typically around 30–35 days from sowing. Pick outer leaves first and leave the growing tip intact so the plant can keep producing; you should notice new leaf flushes within about a week. If leaves turn tough or the plant starts pushing up flowering stalks, harvest becomes less desirable—begin picking sooner next time.
Tender, spinach-like leaves unfurl with a lush, velvet sheen and a pleasantly mild, green bite that’s never harsh. Spinach Amaranth (Callaloo) forms an upright, branching plant that keeps producing succulent foliage quickly—ideal for frequent harvests at about 35 days. Grow it for bold, leafy flavor in callaloo-style dishes and for fresh, vibrant greens that shine in sautés and quick braises.
Sowing Tips
Transplant Conditions
Wait until soil reaches 65°F and nights stay above 50°F before moving outdoors.
Expert Note
Direct-sow after frost risk has passed and keep seedlings evenly moist for fast, tender leaf harvests.