Calycanthus x raulstonii 'Dark Secret' Dark Secret Sweetshrub

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A 2018 Broken Arrow Nursery introduction that is the result of a hybrid involving the same parentage as the classic selection 'Hartlage Wine'. Overall plants are strong growing and create a breathtaking display in the garden. In late spring and early summer, spectacular rich maroon blossoms engulf the plants adding an incredible visual display. Each 3" blossom offers abundant, prominently pointed tepals and petals. The outer structures are rich burgundy-red in color and contrast starkly with near white inner petals. The overall impact creates a feel that is several shades darker than 'Hartlage Wine'. When not in bloom the bold textured leaves add appeal. Each leaf is bright green in color and can reach 8-10" in diameter on vigorous shoots.
More Information
Latin NameCalycanthus x raulstonii 'Dark Secret'
Common NameDark Secret Sweetshrub
NativeNo
USDA ZoneZone 5
Introduced by Broken Arrow NurseryYes
  • For fall, our plants will be shipped from March 11th (weather dependent) until the week of April 26th.
  • Changing Your Order - If you have an order that has been placed, the only way to modify it is by emailing us.
  • Shipping Charges - Due to increasing costs associated with shipping plants and the time required to package orders we have established a 30% flat shipping fee for all plant orders in the Northeast, 40% flat shipping fee for remaining states east of the Mississippi River and a 45% flat shipping fee for all states west of the Mississippi River. There is a $30, $40, or $45 minimum shipping fee, depending on your region, for plant orders under $100. A small number of oversized plants have an additional $10 surcharge.
  • Shipping Restrictions - Mail-order is restricted to the plants that are included in the mail-order section of our website. Unfortunately we are unable to ship plants to AK, AZ, CA, CO, FL, HI, ID, MT, NV, OR, UT, or WA.
  • Shipment Period - We ship plants in the fall from September - November and in the spring from March - May. All shipments are weather and plant growth dependent.
  • Guarantee - We guarantee that all plants sold by Broken Arrow Nursery are healthy and true to name when they leave the nursery.
  • Please contact us within 5 days of the receipt of your order if such is not the case. If we are at fault we will replace the plant in question or issue a nursery credit for the purchase price of the plant. We are unable to guarantee plants that are improperly cared for after delivery.