Yellow Evening Primrose
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Yellow Sundrops, Yellow Evening Primrose, Plains Evening Primrose
Calylophus serrulatus is a native plant found in dry prairies and mesas in western North America, particularly in the Great Plains from Canada to Texas. It is a low, shrubby, woody-based perennial, typically growing from 6 to 18 inches tall. It features narrow, lance-shaped, sessile leaves up to 2 inches long. The plant produces four-petaled, stalkless, yellow sundrops flowers around 1 inch wide and blooming from mid-spring to mid-summer. The flowers give way to 1-inch-long seed capsules.
This plant is also known by other common names, including serrate-leaved evening primrose (due to its toothed leaves), shrubby evening primrose (because of its woody-based, shrubby habit), plains yellow primrose (indicating its natural habitat), and half leaf sundrops (referring to its leaf length and sundrops-type flower). Similar to other sundrops, the flowers of this species do not just open in the evening, but are open for the entire day. The leaves of this fascinating prairie plant align with their edges facing the intense mid-day sun as an adaptive way of minimizing water loss.
Height: 6"-1.5’
Spread: 6'-1.5’
Bloom: Spring-Summer
Light: Full sun
Water: Dry
Zone: 3, 4, 5, 6, 7, 8
Origin: Canada and Western United States
Winter Shipping: We will continue to ship throughout winter. If you prefer, we are happy to hold your order until spring; please include that request in your shipping notes.
When you order plants from our nursery, you can expect them to arrive in the best possible condition. Our team carefully packs each order using sturdy, biodegradable packaging materials.
Your plants' appearance may vary depending on the season and their current growth stage. We may cut back the leafy growth of some plants to prepare them for shipment and transplanting.
5 Gallon and Up: Any plant purchased to ship over 5 Gallons will be shipped bare root. This means we will remove the plant from its original pot, remove the soil surrounding the roots, and wrap the roots with a biodegradable plastic bag. This reduces weight and the likelihood of damage during shipping.
Once your plants arrive, it is essential to plant them as soon as possible. This will help them rebound and thrive. If you cannot plant immediately, water regularly and keep the roots off heat-conducting surfaces.
Newly transplanted plants often require more water until their roots are well established. Plan to water them 1-3 times weekly for the first few months.
