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  1. 1 – Fill a suitable container with moist potting soil. 2 – Place 3-5 compass plant seeds on top of the soil, making sure they have good contact, but being gentle to make sure the seeds do not break. 3 – Gently sprinkle a handful of soil on top of the seed, but not covering it.

  2. compass plant. A large upright perennial, to 3m tall, with hairy, aromatic, fern-like leaves, to 50cm long, becoming smaller up the stems. In late summer and early autumn it bears narrow sprays of bright yellow daisies, each up to 12cm across.

  3. Oct 27, 2023 · When growing Silphium plant species from seed, it is best to sow them outdoors using fresh seed in the autumn. The seed should be chipped, and then sown at a depth of 12 mm (1/2 inch) into a flat. The flat should then be sunk into the ground in a completely shaded part of the garden; next cover the flat with glass.

  4. The compass plant is a unique looking plant that can easily grow to be 9 to 12 feet in height. The flowers grow from a long, light green stalk in the center of the plant. These flowers are small in size, about 4 inches across, and they resemble a wild sunflower/daisy combination. These yellow flowers can be seen from June until August.

  5. Jan 29, 2022 · Compass plants are tall plants with sturdy, bristly stems that reach heights of 9 to 12 feet (2.5 to 3.5 m.). The deeply cut leaves, which resemble oak leaves, can reach lengths of 12 to 18 inches (30.5 to 45.5 cm.). Clusters of bright yellow, daisy-like flowers bloom on the upper part of the plant during the hot summer months.

  6. Slow-growing, long-lived and eye-catching, Silphium laciniatum (Compass Plant) is a tall, coarse perennial with stiff and sturdy, erect, hairy stems adorned with brilliant yellow daisy flowers, 5 in. across (12 cm), scattered along the top half. Blooming in midsummer to early fall, the flowers resemble small sunflowers with their yellow rays surrounding a yellow central disk. Reminiscent of ...

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  8. How to grow Silphium species such as Rosinweed, Cup plant, Prairie dock, Compass plant, and Pilotweed in your garden.For further advice on growing members of...

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