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> Seeds L
Liatris - Blazing Stars
About 40 species native from the Eastern 2/3rds of North America. They hybridize freely so
there are many populations of hybrid origin that complicates identification of plants. All have
perfect flowers that are tubular shaped in discoid heads. The heads can be in button like clusters
spaced out along the spike shaped stems or they can be crowded together appearing as one
long spike. The flowers are different shades of rosy purple with white forms common too, blooming
from the top of the “spike” downward. All are perennial herbs with corms or a few species
having a caudex to rhizome like under ground stems that give rise to many, to as few as one
stem(s) with long, entire shaped thin (grassy like) leaves that are arranged alternately up the
stems.
Plants bloom mid to late summer and are loved by butterflies. The different forms of
L. spicta plus many of the species make very nice garden plants, growing in full sun to part
shade. In the “wild” they grow in grassy areas to open stony soiled forests. They also make good
cutting material for fresh cut or dried flower displays. Plants grow best in well draining heavy
loam soils with moderate fertility. The corms or rootstocks are loved by mice and voles. They
can also be cut into pieces to grow new plants. Self seeding is common in the garden on open
ground and in crevices and cracks. Plants will bloom the second or third year from sowing. Plants are slow growing from seed,
most of the energy goes into forming the corms, seed germination is variable from one species to
another, and dependent on the age of the seed, fresh seed having stronger dormancy than aged
seed. . Many of the species have seed dormancy that needs a 8 to 12 weeks of cold moist
conditioning to break dormancy. The L.spicata forms have been selected for quicker germination
with out the cold needed, but germination is still spread-out over many weeks. Seeds are good to
medium sized and it can be helpful to soak the seeds in hot water for 24 hours before sowing. Sowing the seeds in trays works well and plants can be lef tin the trays for a year or two if need
be, and plants removed as you are ready to plant them out. Over winter the trays out side, keep
them dry and bait against voles. and use a dry winter mulch.
Liatris
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