high margin fern for health if processed to powder
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perfect clump
height: 50–100 cm
diameter of clump: 40–80 cm, dense rhizome base with multiple crowns
number of fronds: 12–20 healthy fronds
3–5 young curled fiddleheads ready for harvest
5–7 mature functional fronds
harvest
only the young fiddleheads at 10–20 cm length
max 2 fronds per harvest
prune
leave at least 3-4 mature fronds per plant for photosynthesis and root health
remove brown/drying fronds to prevent pest/fungal buildup
frequency: every 15–20 days in rainy season, 30 days in dry season
surrounding
avoid aggressive root competitors like ginger or taro
spacing plants 1 m apart to allow air flow
grows best in family clusters
plant-to-plant spacing inside a cluster: 20–30 cm apart center to center
cluster size: typically 3 to 5 plants per cluster
cluster diameter: about 60–80 cm total
between clusters: 1 meter
yield max
biochar + shade + nitrogen-fixing + family clumping
can double production per square meter from ~0.2 kg/month to 0.4–0.5 kg/month