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key growing information
Growing Goldenseal (H. canadensis) From Roots
How to grow goldenseal from root pieces: planting depth and spacing by harvest year, weeding and mulch, shade, soil and pH, and fall harvest.
By Hensley’s Seed Co.
Goldenseal - Key Growing Information
DAYS TO GERMINATION:
N/A.
SOWING:
Planting root pieces is recommended: any piece with a bud and a few fibrous roots should grow. Spacing depends on how long plants will stay before harvest: for a 3-year crop, 6" apart in rows 8" apart; for 4 years, 8" apart in rows 8" apart; for longer, 8" apart in rows 10" apart. Cover the root pieces with 2" of soil. Keep the bed weeded, working gently around young plants so roots aren't disturbed, and mulch once plants are established to hold weeds back.
LIGHT PREFERENCE:
Partial to full shade. Goldenseal does best in its native setting under a hardwood canopy giving 75% shade or more, ideally oak, maple, sycamore or basswood.
SOIL REQUIREMENTS:
Loose, humus-rich loam with a pH of 5.5–6.5. Good drainage is essential for healthy plants.
PLANT HEIGHT:
Grows about 12" tall.
PLANT SPACING:
Space plants 6–8" apart.
HARDINESS ZONES:
Hardy in Zones 5–8.
HARVEST:
Plants grown from root divisions can be harvested after 3–5 years. Dig roots in fall (September or October) once the tops have died back. University extension services publish more detailed production guides.
SCIENTIFIC NAME:
Hydrastis canadensis
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