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Poppy Seeds, Sissinghurst White
Description
(Papaver somniferum). Breadseed type. A stunning gem plucked from one of the most beloved gardens in England. The pillowy soft, snow-white petals of Sissinghurst White poppy originated in the famous “white garden” at Sissinghurst Castle in Kent, England. All plants in this particular garden fall within the range of white, from cream colors to crisp snow white like this poppy. The 2-3 foot tall plants have dust-blue foliage and pods. Their large blooms dance in the breeze like clouds across the sky. This is a treasure that we are delighted to see reaching gardens across the globe!
- 70-90 days to maturity
- 8-12 hours of full sun
- Sprouts in 14-21 days
- Seed Depth: Surface Sow
- Plant Spacing: 12"
- Ideal Temperature: 60-65 F
- Frost Hardy: Yes
Growing Tips, Tricks and FAQs
Growing Tips
Sissinghurst White poppy grows best in full sun and moderately rich, loose, well-drained soil, making it a low-maintenance option for sunny borders or cottage gardens. These poppies are also drought-tolerant once established, though regular watering in the early stages will help them thrive.
When to Grow
Sow Sissinghurst White poppy seeds in early spring as soon as the soil can be worked or in fall for milder climates. Fall sowing allows the seeds to overwinter and germinate as temperatures rise. These poppies prefer cool weather and will bloom in late spring to early summer.
How to Sow and Plant
Surface-sow the seeds by scattering them on the soil and lightly pressing them in—just barely cover them, as they require light to germinate. Keep the soil moist until the seedlings emerge, which usually takes 14-21 days. Thin the seedlings to about 12 inches apart once they are a few inches tall.
How to Grow
Sissinghurst White poppies grow up to 2-3 feet tall and benefit from regular watering during dry spells. Deadheading spent flowers will encourage more blooms, but if you want them to self-seed, leave some flowers to form seed heads. These seed pods are also decorative and can be dried for arrangements.
How to Save
- Mostly self-pollinating; however, small flies and honeybees may cross-pollinate closely planted varieties.
- Often self-sows, but you can also harvest seeds when capsules turn brown and dry completely.
- Save seed over winter in a cool, dark, dry place.
FAQ
Are Sissinghurst White poppies frost-hardy?
Yes, they can tolerate light frosts, making them suitable for sowing in fall.
Do Sissinghurst White poppies attract pollinators?
Yes, these poppies are attractive to bees and other pollinators, making them great for wildlife gardens.
When do Sissinghurst White poppies bloom?
They bloom in late spring to early summer, depending on when they are sown.
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