Polygonum maritimum
TAXONOMY
FamilyPolygonaceae
GenusPolygonum
Zone8
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Plants of the World OnlineABOUT
Polygonum maritimum, commonly known as sea knotgrass, is a perennial herb native to coastal regions of Europe and the Mediterranean. It thrives in sandy soils and is often found in dunes and sandy beaches. The plant is adapted to saline environments and can tolerate drought conditions.
ALSO KNOWN AS
Avicularia Maritima
Seashore Knotweed
Polygonum chilense
Polygonum maritimum var. chilense
OVERVIEW
VPDCalculate
WaterDry
SoilSandy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Sea knotgrass requires bright, direct sunlight and thrives in moderate temperatures. It prefers low humidity and can tolerate dry conditions. Watering should be infrequent, allowing the soil to dry out almost completely between waterings.Soil
Polygonum maritimum prefers sandy soil with good drainage. It is well-suited to nutrient-poor soils and does not require rich, fertile soil to thrive. Ensure the soil is well-draining to prevent waterlogging.Fertilizer
This plant does not require regular fertilization. If necessary, a light application of a balanced fertilizer can be used sparingly.Repotting
Repotting is generally not necessary for sea knotgrass, but if grown in a container, it can be repotted when it outgrows its current pot. Use a sandy soil mix and ensure good drainage.Propagation
Sea knotgrass can be propagated by seed or by division. Seeds can be sown in sandy soil in the spring, while division can be done in early spring or fall.Pruning
Pruning is not typically required for this plant. However, any dead or damaged stems can be removed to maintain a tidy appearance.Toxicity
Polygonum maritimum is not known to be toxic to pets or humans. It is generally considered safe to handle and grow in gardens.REVOLUTIONIZE YOUR PLANT CARE
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