What to plan for
- Sunlight
- Full sun
- Water
- Evenly moist
- Spacing
- 6–12 in
- Soil pH
- 6.0–7.0
- Container
- 3+ GAL
- Planting window
- See planting guidance
HIGH TUNNEL + CONTAINER
Callaloo
Warm + fast growing
Callaloo
Amaranthus speciesA rich, moisture-steady mix for leafy amaranth grown as callaloo.
- Water
- Evenly moist
- Soil pH
- 6.0–7.0
GROWING GUIDANCE FOR
Central Maryland / BowieLocal Bowie-area baselineAt a Glance
Is Callaloo right for your garden?
Start with the plant, the space it needs, and the conditions that determine whether it will thrive.
CARRIED BY CENTRAL MARKET
Guide only
This guide remains fully available even when the plant is not listed for pickup.
WHAT IT IS
Callaloo
A warm-season leafy amaranth grown for repeated cuts of tender shoots and leaves; this guide does not cover taro or dasheen callaloo.
BEST FIT
Choose it when…
A fast, heat-tolerant choice for summer production and Caribbean-focused markets when plants can be cut frequently.
QUICK PROFILE
What to plan for
- Plant type
- Vegetable
- Life cycle
- Warm-season annual
- Sunlight
- Full sun
- Container
- 3+ GAL
- Water
- Evenly moist
- Target pH
- 6.0–7.0
BEST TIME TO PLANT OUTDOORS
Bowie planting window
- Ideal
- Mid-April–mid-May
- Also Good
- Mid-May–mid-June
- Avoid
- Frost and cold soil
RIGHT NOW
Wait before planting outdoors
The next recommended Bowie-area window is Mid-April–mid-May. Direct sow and thin promptly. Harvest before seed ripens to reduce unwanted self-sowing.
UMD’s Central Maryland calendar begins callaloo in mid-April. The crop accelerates as soil warms and can produce into fall.
Can I plant this now?
- Current recommendation
- Wait before planting outdoors
- Current window
- Outside the recommended window
- Next best window
- Mid-April–mid-May
- Guidance location
- Central Maryland / Bowie
- Regional coverage
- Central Maryland coverage
- USDA hardiness zone
- 7b
- Planting method
- Direct sow outdoors
- Cold tolerance
- Very frost sensitive
- Minimum soil temperature
- 60°F
Direct sow and thin promptly. Harvest before seed ripens to reduce unwanted self-sowing.
TIME TO HARVEST
About 25 days
Count from: transplanting seedlings outdoors
Leaf-amaranth timing. Cut tender stems above a node for regrowth; starting from seed adds nursery time.
Approximate guidance, not a guaranteed harvest date. Cultivar, plant size, light, temperature, and care affect timing. For perennials, first harvest does not mean full production. Follow the plant tag and check readiness before picking.
SEASONAL REFERENCE
What Should This Plant Look Like Now?
October Central Maryland
CURRENT STAGE
Late Harvest / Seasonal Decline
Typical stage for October in Central Maryland
Harvest continues in early fall, while mature plants increasingly flower and set seed before frost.
Normal Right Now
- ✓
Slower callaloo growth with shorter days is normal before frost ends the crop.
- ✓
Productive upper growth can remain green while older lower leaves look worn.
- ✓
The exact pace for callaloo can shift with sun, planting age, pruning, and Bowie-area weather.
Something Looks Different?Signs that may be worth investigating
Worth Checking
- Stem collapse at the soil line
- Rapid whole-plant wilt
- Extensive chewing on every new shoot
- Blackened foliage before cold exposure
These signs may be worth investigating. A symptom or photo alone cannot identify the cause.
See Callaloo Through the YearA typical Bowie-area lifecycle
December–March
Outside the Outdoor Season
Callaloo is frost tender, so a living outdoor crop is not expected in Bowie during winter.April–May
Establishment / Vegetative Growth
Callaloo develops new leaves, roots, and support structure after outdoor temperatures become reliably warm.June–August
Flowering / Harvest
Tall leafy stems produce repeated tender side shoots and may begin forming upright flower or seed heads.September–November · Now
Late Harvest / Seasonal Decline
Harvest continues in early fall, while mature plants increasingly flower and set seed before frost.Sources & Review InformationLocal basis and review date
This is a typical Central Maryland stage, not a guarantee for every garden or every year.
University of Maryland Extension · Central Maryland Vegetable Planting Calendar Last reviewed: September 3, 2026This is what a healthy plant typically looks like at this stage. It is seasonal reference guidance—not a visual diagnosis. Microclimate, weather, plant age, recent transplanting, pruning, and cultivar variation can change appearance.
Plant origins & further reading
Plant group origins
Tropical American ancestry for Amaranthus viridis, one leafy amaranth used as callaloo
Mapped countries: Mexico
Callaloo names several leafy vegetables. This guide covers Amaranthus species; the Mexico pin represents A. viridis within its broader tropical American native range, rather than a single origin for every callaloo plant.
Before you choose it
Callaloo names vary by community and species. Confirm seed identity, harvest preference, and whether customers expect amaranth or another plant.
Bowie conditions are the baseline
Container size, microclimate, cultivar, tunnel temperature, and actual weather can move the timing. Use the plant tag and direct observation with this guide.