Polygonum glaucum
TAXONOMY
FamilyPolygonaceae
GenusPolygonum
Zone5
LEARN MORE
Plants of the World OnlineABOUT
Polygonum glaucum, commonly known as Seaside Knotweed, is an annual plant in the family Polygonaceae. It is native to temperate regions and typically found in coastal areas. The plant has a glaucous appearance, meaning it has a bluish-green hue. It thrives in temperate climates and is known for its resilience in sandy and saline soils.
ALSO KNOWN AS
Glaucous Knotweed
OVERVIEW
VPDCalculate
WaterDry
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity50%
pH6.5
Pressure1,013 mbar
DETAILS
Care Instructions
Polygonum glaucum requires bright, direct sunlight for optimal growth. It prefers moderate temperatures and average humidity levels. Water the plant when the soil is almost completely dry, but avoid waterlogging. This plant is best suited for outdoor growth in temperate climates.Soil
This plant prefers well-draining loamy soil. It can tolerate sandy and saline conditions, making it ideal for coastal areas. Ensure the soil dries out almost completely between waterings to prevent root rot.Fertilizer
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize the plant during its growing season to promote healthy growth. Avoid over-fertilizing, as this can lead to nutrient burn.Repotting
As an annual plant, Polygonum glaucum does not typically require repotting. However, if grown in containers, repotting may be necessary if the plant outgrows its pot. Repot in the early growing season using fresh, well-draining soil.Propagation
Polygonum glaucum can be propagated by seeds. Sow the seeds in well-draining soil in early spring. Keep the soil moist until germination occurs. Thin the seedlings to allow adequate space for growth.Pruning
Pruning is not generally required for Polygonum glaucum. However, you can trim back any dead or damaged stems to maintain the plant's appearance and health.Toxicity
Polygonum glaucum is not known to be toxic to pets or humans. It is generally considered safe to grow in gardens and around homes.REVOLUTIONIZE YOUR PLANT CARE
Make Every Plant Smart
Plant Monitor
STAYS IN YOUR PLANT
Accurately measures the core metrics of your plant – soil moisture, light, temperature and humidity - as well as compound metrics such as Vapor Pressure Deficit (VPD) and Growing Degree Days (GDD).
Shop Now
