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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.
If the coldest winter temperature expected in your area is -15°F (zone 5) then any plants rated zones 3-5 will
survive the winter temperatures in your area.
If you live in very warm winter areas (zones 9-11) plants with zones 3-4 ratings are not recommended. The lack
of freezing winter temperatures do not provide a time for winter dormancy (rest).
As all wildgardeners know, there are several species of Black-Eyed Susan among our native flowers. The most common roadside one is a biennial named Rudbeckia hirta. (We sell that seed in our regular species listings.) Then there are the perennial natives, such as the most famous R. fulgida, famous as the parent of the popular perennial, "Rudbeckia Goldsturm." (We sell that in our Perennial Plant section.)
But this one is unique. Growing only from 2 to 5 ft. (Some are much taller.) R. subtomentosa has beautiful golden flowers like the others, but the blooms also have a sweet scent of anise. That's why another common name for this Rudbeckia is "Sweet Coneflower." It's a wonderful plant for a wild garden collection.
Bee Friendly, Attract Butterflies, Attract Birds, Deer Resistant, Native, Great For Mass Plantings, Easy To Grow, Low Maintenance, Good For Cut Flowers
As soon as your order is placed you will receive a confirmation email. You will receive a second email the day your order ships telling you how it has been sent. Depending upon your order date, we may hold your shipment to combine it with other products on your order, if applicable. See our shipping information page for approximate ship dates and more detailed information. If you have any questions, please call Customer Service toll-free at (877) 309-7333 or contact us by email.
Shipping Rates
Our shipping rates are calculated based on our actual average shipping costs. We do not seek to profit from shipping fees, so rest assured that our shipping rates reflect an average of what it costs to get our guaranteed products safely to your door.
US Shipping Charges
Merchandise Total
Shipping Charges
Up to $19.99
$6.99
$20 to $34.99
$8.99
$35 to $49.99
$10.99
$50 to $74.99
$12.99
$75 to $99.99
$14.99
$100 and Over
$16.99
Canadian Shipping Charges
Merchandise
Shipping Charges
Up to $24.99
$14.95
$25 to $49.99
$19.95
$50 to $74.99
$24.95
$75 to $99.99
$29.95
$100 and Over
$39.95
If your order requires more than one shipment and all items are shipping to the same address, there is no additional shipping charge. If you have any questions, please call us at (877) 309-7333.
