How to grow Hibiscus palustris

Swamp rose mallow grow and care – shrub‎ of the genus Hibiscus also known as Hibiscus moscheutos or Hibiscus palustris, Swamp rose mallow perennial deciduous plant used as ornamental plant although the leaves edible and grow as water plant, can grow in subtropical, mediterranean, temperate or tropic climate and growing in hardiness zone 5-10a and with the right overwinter care in hardiness zone 4b.

Leaves are edible the color green in rhomboid or lobed shape.

Swamp rose mallow flowers

Flower color can be: white, pink, purple or red, the inner part is can be in the same color darker or lighter in trumpet shape.

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How to grow Swamp rose mallow growing and care:

Wet soil, aquatic environment, heavy soil, pond, rich soil, organic material, humidity

How to care:
Add fertilize at least once, put mulch to keep the soil moist, organic matter and humus, prune once a year, add water a lot of water and must grow in pond or aquatic environment when the temperature above 38C (100F)

What is the best way to start growing?
Plant / Seed / Vegetative Reproduction – cutting

How to propagate by cutting:
Propagating by cutting better to start in the early spring or with temperature of 15-26C (59-79F)and better before the plant start to grow after the dormant, better to choose stems that not going to bloom, requirements: moist soil, high humidity, peat soil, hormone for root growth, highly recommend to use green house (or small plastic box with holes) it will take few weeks.

Is it necessary to graft or use vegetative reproduction?
No, but with cutting ensure the color of the flower and the size of the plants, not hard to start by seeds

Difficulties or problems when growing:

Recommended planting season?
Winter, spring, simmer (in hardiness zone 10b better not in the summer and better in the winter to early spring)

How to plant:
Dig hole bigger 50% more than the roots ball, add to the hole, organic matter, dead leaves and hummus put back some soil and mix it, after this put the plant cover lightly but strong enough that won’t fall put support for the plant if needed, if the plant is not stable consider to prune, water it twice in the first day and every day for two weeks, in winter no need to put a lot of water and need to wait for the spring to put everyday water, and in the summer need to put big amount of water until the plant growing at least 5 new leaves, and when plant it in pond need to put heavy soil and cover and put slow release fertilizer and need to burry all the other nutrient.

Pests and diseases:
Nematode, galls, aphids, mealy bugs

Pruning season:
End of the autumn to winter

How to prune:
Just for design, dead part and inner branches that not blooming

Size of the plant:
1-2 m, 3-6 feet

Growth speed in optimal condition:
Fast growing / Medium growing

Water requirement:
Average amount of water / Big amount of water (prefer to grow with big amount of water and even in pond)

Light conditions in optimal condition for growing:
Full Sun / Half Shade

Is it possible to grow indoor as houseplant?

Growing is also possible in pots, planter, flowerpot or containers:
Yes, when growing in pot need 50% bigger than the roots ball, every time that switch the container to bigger switch some of the soil to new soil until arrive to the desirable container size, after that every few years better to switch part of the soil and cut some roots, no need to take the plant out just from the side of the container, can grow in container of 10-20L (2-4 gallons) and can grow in bigger, soil can be potting soil, mixture of peat soil and perlite or other light mixed soil, water it regularly and care when put bottom for the pot be aware not to let the water stay there too many days, need to add humus, organic matter, fertilizer and mulch to cover the soil to keep it moist.

Blooming information

Bloom season:
Spring / Summer / Autumn

General information about the flower
Trumpet shape in white, pink, purple or red, the inner part is can be in the same color darker or lighter

How to grow Hibiscus syriacus from seeds

Sowing requirement:
Moist soil, 20-26C (68-80F), humidity, full sun or half sun (if there are heat wave in the spring), a lot of water

Saving seeds and care until sowing:
Dry and dark location in refrigerator

Sowing season:
Spring / Summer / Autumn (more important the temperature)

How to plant:
Plant in soil that stay moist and heavy soil, don’t let the soil dry

Planting spacing:
3*5cm to transplant and better not to transplant it before 5 leaves, direct it’s depend 1*1m (40*40)

Depth of Sowing:
0.5-1cm (0.25-0.5 inch) but cover lightly and don’t push

Conditions for seeds germinate:
Full sun, moist soil

Watering requires for Seeds:
Big amount of water

Germination time:
10-20 days

Condition of seedling:
After five leaves possible to add fertilizer

Do the seeds require burying?

Chilling hour’s requirements:
At least one month of cold temperature, better to keep it with peat soil in cold temperatures

Scientific name:

Hibiscus moscheutos

Alternative names: Hibiscus palustris

How to grow Hibiscus palustris

Hibiscus palustris

Hibiscus palustris plant care


Blooming Seasons
  • Autumn flowers
  • Spring flowers
  • Summer flowers
Flower colors
  • Pink flower
  • Purple flower
  • Red flower
  • White flower
  • Mediterranean Climate
  • Subtropics Climate
  • Temperate Climate
Ornamental parts
  • Ornamental flower
  • Ornamental leaves
  • Ornamental plant
Plant growing speed
  • Average growing plants
  • Fast growing plants
Plant life-form
  • Deciduous
  • Perennial plant
  • Shrub
Plant Uses
  • Hedging plants
  • Ornamental plants
  • Water plants
Planting Season
  • Spring Planting
  • Summer planting
  • Winter planting
Plants sun exposure
  • Full sun Plants
  • Part shade Plants
Watering plants
  • Big amount of water
  • Regularly water
Hardiness zone
  • Hardiness zone 10
  • Hardiness zone 5
  • Hardiness zone 6
  • Hardiness zone 7
  • Hardiness zone 8
  • Hardiness zone 9