Swamp Loosestrife (Verticillatus) is generally described as
a perennial subshrub or shrub.
native to the U.S. (United States)
has its most active growth period in the
summer and fall .
Swamp Loosestrife (Verticillatus) has
green foliage and
red flowers, with
an abuncance of
conspicuous brown fruits or seeds.
The greatest bloom is usually observed in the
with fruit and seed production starting in the
summer and continuing until
not retained year to year.
Swamp Loosestrife (Verticillatus) has a
long life span relative to most other plant species and a
rapid growth rate.
At maturity, the typical
Swamp Loosestrife (Verticillatus) will reach up to
8 feet high, with a maximum height at 20 years of
Swamp Loosestrife (Verticillatus) is easily found in nurseries, garden stores and other plant dealers and distributors. It can be propagated by
bare root, container, cuttings, seed.
It has a
slow ability to spread through seed production and the seedlings have
Note that cold stratification is
not required for seed germination and the plant cannot survive exposure to temperatures below
none tolerance to drought and restricted water conditions.
Source: USDA, NRCS, PLANTS Database, plants.usda.gov.
National Plant Data Center, Baton Rouge, LA 70874-4490 USA