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Solidago gigantea
Solidago gigantea
Solidago gigantea
Solidago gigantea

Solidago gigantea

TAXONOMY

FamilyAsteraceae
GenusSolidago
Zone3

ABOUT

Solidago gigantea, commonly known as Giant Goldenrod, is a perennial plant in the Asteraceae family. It is native to North America and is known for its tall, slender stems and bright yellow flowers that bloom in late summer to fall. This plant is often found in meadows, prairies, and along roadsides. It undergoes a dormancy period during the winter months.

ALSO KNOWN AS

Giant Goldenrod

OVERVIEW

WaterMoist
SoilLoamy
LightDirect Bright (6 Hours)
Temperature20° C
Humidity60%
Dormancy3 Months
pH6.5
Pressure1,013 mbar

DETAILS

Care Instructions
Giant Goldenrod thrives in temperate climates and prefers full sun. It requires moderate watering, allowing the soil to dry out partially between waterings. The plant does well in moderate temperatures and average humidity levels. Regular pruning helps maintain its shape and encourages healthy growth.
Soil
Solidago gigantea prefers well-draining loamy soil. It can tolerate a range of soil types but thrives best in nutrient-rich soil. Ensure the soil has good drainage to prevent waterlogging.
Fertilizer
Use a balanced fertilizer with an N-P-K ratio of 10-10-10. Fertilize the plant in early spring and mid-summer to support its growth and flowering. Avoid over-fertilizing as it can lead to excessive foliage growth at the expense of flowers.
Repotting
Repotting is generally not necessary for Giant Goldenrod as it is typically grown outdoors. However, if grown in containers, repot every 2-3 years to refresh the soil and provide more space for root growth. Repot in early spring before new growth begins.
Propagation
Giant Goldenrod can be propagated by division or from seeds. Divide the plant in early spring or late fall by separating the root clumps and replanting them. Seeds can be sown in the fall or early spring directly in the garden.
Pruning
Prune Giant Goldenrod in late fall after the flowering season or in early spring before new growth starts. Cut back the stems to about 6 inches above the ground to encourage new growth and maintain a tidy appearance.
Toxicity
Solidago gigantea is not toxic to pets or humans. It is generally considered safe and non-toxic, making it a good choice for gardens where pets and children are present.
Additional
Giant Goldenrod is a valuable plant for pollinators, attracting bees, butterflies, and other beneficial insects. It can be used in naturalized areas, wildflower gardens, and as a cut flower. Regular deadheading of spent flowers can prolong the blooming period.
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