Eryngium campestre, commonly known as Field Eryngo or Watling Street Thistle, is a perennial plant in the Apiaceae family. It is native to Europe and western Asia, typically found in dry, open habitats such as grasslands and roadsides. The plant has a rosette of spiny leaves and produces tall, branched stems with small, greenish-white flowers. It undergoes a dormancy period during the winter months.
Field Eryngo thrives in full sun and prefers temperate climates. It is drought-tolerant and requires minimal watering once established. The plant does well in moderate temperatures and average humidity levels. It is relatively low-maintenance and can withstand poor soil conditions.
Soil
Eryngium campestre prefers well-draining soil, such as loam. It can tolerate a range of soil types but does best in moderately nutrient-rich soil. Ensure the soil dries out almost completely between waterings to prevent root rot.
Fertilizer
This plant does not require regular fertilization. If desired, a light application of a balanced fertilizer in the spring can support growth, but it generally thrives in nutrient-poor conditions.
Repotting
Repotting is not typically necessary for Field Eryngo, as it is usually grown outdoors. However, if grown in a container, repot every 2-3 years to refresh the soil and provide more space for root growth. Repot in the spring before the growing season begins.
Propagation
Eryngium campestre can be propagated by seed or division. Sow seeds in the fall or early spring, or divide mature plants in the spring. Ensure the soil is well-draining and keep the new plants in a sunny location.
Pruning
Pruning is not required for Field Eryngo. However, you can remove spent flower stems and dead foliage to maintain a tidy appearance. Prune in the late fall or early spring before new growth begins.
Toxicity
Eryngium campestre is not known to be toxic to pets or humans. It is generally considered safe to grow in gardens and around animals.
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