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Grow a sustainable lawn that is green, resilient, drought-tolerant and can handle just about anything.
The perfect solution to high traffic areas.
Compare grass types with our lawn comparison chart.
1. Choose a spot on your property that receives at least 6 hours of sun per day.
2. Prepare your soil by clearing the area of all existing growth.
3. Mix the Wildflower seeds with sand for better visibility.
4. After spreading the seed, we recommend compressing the seed into the soil.
5. After planting, give the area a good water.
Professionally-designed gardens make it easy to get a beautiful yard.
We first introduced our "Gardens in a Box" over a decade ago and despite our efforts, we sell out every season.
What’s included in a pre-planned garden?
Great plants to solve gardening challenges.
Professionally-designed flower bulb collections that will combine beautifully.
Spring-Planted Flower Bulbs (like Gladiolus & Dahlias) will bloom in summer.
Fall-Planted Flower Bulbs (like Tulips & Daffodils) will bloom in spring.
Show meShowing plants & seeds that grow in my area:
Exclusive. 'High Plains Yellow' Sundrops is a long blooming wildflower from the western Great Plains that withstands heat, drought and rugged growing conditions. Drought resistant/drought tolerant plant (xeric).
Tips On Growing Calylophus (Sundrops)
Calylophus (Sundrops) is a showy genus of native western species. Closely related to Oenothera, but these perennials are day bloomers.
Preferred growing conditions:
Plant Shipping: Buy now and we will ship your order at the ideal planting time for your region. Spring-Planted Perennial and Bulb orders will ship from April 23-June 30, warmest zones first.
Most plant and bulb orders arrive within 2-6 days, or less, of leaving our greenhouses in Colorado. This prompt delivery is provided without additional express charges.
Grass Plugs Will ship at planting time in spring, beginning in late February.
Wildflower Seed & Grass Seed Orders ship within 2-3 days.
Standard shipping costs are $4.99 and up, depending on the size of the order.
Make Fast Even Faster: For ‘Rush’ same week delivery, please call customer service at 800-925-9387.
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(based on 2 reviews)
Reviewed by 2 customers
Displaying reviews 1-2
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High hopes but disappointing
from Beeville, Texas
See all my reviews
Comments about High Country Gardens Calylophus hartwegii High Plains Yellow:
Due to the harshness of our summers, I always order a single specimen of a species I am interested in. I also spend a lot of time studying growing needs to make sure a plant meets the requirements for surviving the brutal South Texas summers. The Calyophus was planted next to a Gaillardia and while the latter thrived, bloomed all summer and self-seeded in its first season, the Calyophus fizzled after putting out a single bud which never opened. It may have been weak to begin with and I might have had better luck if I'd ordered multiples, but this is one I would not recommend for those living in similar climates.
Bottom Line No, I would not recommend this to a friend
Merchant response: Hi islekyle,We are so sad to hear the Sundrops didn;t thrive in your area. Beeville, TX might just be a bit too humid for this species to flourish. As indicated by the cowboy hat symbol, this is a western only plant which means it just cannot tolerate humid summers often found on the eastern side of the country and even on the eastern side of Texas. Please know that we are truly committed to your success and applaud your desire to experiment. We did see that you didn't not take advantage of our 100% guarantee for the unsuccessful Sundrops. A representative will be in contact with you shortly to go over your options so you can get exactly what you paid for! Please do let us know if you have any questions or concerns. Our gardening experts are available 6 days a week via live chat, email or phone.Happy Gardening!
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(1 of 1 customers found this review helpful)
from Farr West, UT
About Me Avid Gardener
Plant came healthy and already have flowers, very happy with this plant.
Bottom Line Yes, I would recommend this to a friend
To determine if a plant is sufficiently cold hardy, the USDA created numbered zones indicating winter low temperatures; the lower the zone number the colder the winter.
Enter your Zip Code to find your USDA Planting Zone
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When you order from us, we guarantee that you will receive the hardiest plants, bulbs or seeds available, packed with care and ready to thrive in your garden. If you have followed our detailed planting and care instructions and you do not experience success, we will honor our satisfaction guarantee for up to one full year from delivery.
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