
Eupatorium altissimum
This perennial species grows to between 1 and 2 m tall and produces branched stems bearing umbels of tubular white flowers from August to October.
Its presence is a good indicator of soil moisture.
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Perennial seeds require a wintering period for germination. Place them in the refrigerator for 60 days before sowing in spring. Sow in trays, making sure the seeds are lightly covered. When plants have 5-6 leaves, transplant into individual pots or directly into warmed soil, 1 m apart in all directions. Autumn sowing is done in the same way and left outdoors until spring.
Eupatorium altissimum
100 seeds
From 100 to 200 cm
North America