The Marsh marigold scientific name is
Caltha palustris and is also known as caltha cowslip. Marsh marigold belongs to
the buttercup family (Ranunculaceae). Actually the marsh marigold has no
petals. Rather, each cluster of flowers is made of 5 to 9 sepals, which
resemble petals, surrounding many stamens and pistils. The waxy deciduous
foliage is rich green and each of the leaf is heart-shaped, kidney-shaped, or
rounded with 2 lobes. You can sow the marsh marigold seeds in the late fall or
early spring.
Marsh Marigold Plants Info
The botanical name: The botanical name is Caltha palustris
The common names: The common names are caltha cowslips, marsh
marigold, cowslip, cowflock; in Great Britain the plant is known as mollyblobs,
mayflower, pollyblobs, may blobs, water blobs, horse blob, water bubbles,
gollins, and the publican.
The plant type: The plant is perennial, herb, wildflower.
The mature size: The mature size is 1–3
feet tall, 1–1.5 feet wide.
The sun exposure: The plant prefers partial,
shade.
The soil type: The plant does well in
loamy, moist soil.
The soil pH: Acidic (6.8)
The blooming time: The blooming time is
spring.
The flower color: Yellow.
USDA Hardiness zones: USDA Three to
seven.
The native area: The plant is native to North America.
Plant toxicity: The plant is toxic to
humans and pets.
Marsh Marigold Plant Care
Marsh marigolds plant can easily be grown
alongside other bodies of water such as streams, and the plants are often the
first pond plants to bloom in early spring. These low-maintenance buttercup
blossoms actually come up from April to June.
Furthermore, the marsh marigold plants
are pretty hardy, and pests don't really bother them much. Most times the plant
suffers from fungal diseases like powdery mildew and rust. These can be easily
taken care of with fungicides or milk spray.
Light requirement: The plant will
bloom consistently in part sun to full shade, an unusual feature as most
flowering plants for water gardens prefer full sun. For best results they
should be in a south-facing or west-facing direction. Find an especially shady
afternoon spot in zones six to seven, protecting the plant from extremely high
temperatures will actually welcome the plant to bloom into summer and maintain
healthy foliage.
Soil requirement: Give the marsh
marigolds plant a rich, moist, or boggy soil that is damp to fully submerge in
water. If you’re planting them in a rain garden, position it near the center of
the lowest spot.
Water requirement: General, plant in a
slow-draining area. Adding a glorious yellow aesthetic to the edges of a pond
or between the rocks near waterfalls, the marsh marigold plant is native to
marshes, swamps, stream margins, and wet meadows in Newfoundland and Alaska
south to Nebraska, Tennessee, and North Carolina. Still, the marsh marigolds plant
can survive drought by going dormant and returning the following year.
Temperature and humidity requirement:
You can plant the marsh marigold in any moist or boggy area like the woodlands,
a rain garden, or near a body of water. Where summers are extremely hot, or in
areas of direct sunlight, the marsh marigold plants can go dormant after
blooming. Be expecting the foliage to wilt and die, and also look forward to
the following spring’s show.
Fertilizer requirement: The marsh
marigold plants don't really need much in the way of fertilizer, but if you actually
insist, you can fertilize with an all-purpose fertilizer.
Marsh Marigold Propagation
One of the best ways to propagate marsh
marigold is root division. Make sure you wear a glove to protect your skin from
toxins from the plant. Divide in early spring when the foliage emerges and then
replant immediately and water the roots well.
Growing Marsh Marigold Plant from
Seed
Collect the marsh marigold seeds off
the plant towards the end of its bloom period and then sow them when they
ripen. Make sure you don’t allow them to dry out. Start store-bought marsh
marigold seeds in spring. It may take roughly 3 years for the seed-started
marsh marigolds to actually mature and start blooming.
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