Duncraft Black Oil Jumbo Block
Duncraft Black Oil Jumbo Block - 1 Jumbo Block is backordered and will ship as soon as it is back in stock.
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Instantly attract more birds with our Jumbo seed blocks. Packed solid with popular black oil sunflower seed to attract more birds with fewer refills. You receive one premium seed block. Contains 100% black oil sunflower seed for the greatest wild bird acceptance. Save on the set of two Black Oil Sunflower Jumbo Blocks. Choose your preference. Measures 6-3/4 x 6-3/4 x 5-3/4 inches tall.
- Black Oil Sunflower Jumbo Block, save on the set of 2
- Attract more ground-feeding birds with fewer refills
- Features 100% premium black oil sunflower seed, preferred by most birds
- Place on the ground or on a platform feeder
- Made in the USA, available exclusively at Duncraft
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Dimensions
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Feed TypeSeed Blocks & Cylinders
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Bird SpeciesCardinals, Sparrows
The Duncraft Guarantee – Trusted Since 1952
We want you to love your purchase. That’s why each Duncraft product comes with our 365-Day Guarantee. If it’s not the right fit for you or your birds, you can return it for an exchange or refund. We’re here to help you enjoy your birds, every step of the way.
PLEASE NOTE: This product is excluded from discounts
❤️ Why Bird Lovers Trust Duncraft
The Leader in Backyard Bird Feeding Since 1952
Truly an American original, Duncraft has stayed true to its mission since the 1950s: to make backyard bird feeding easier, more enjoyable, and more rewarding.
We design and build over 500 exclusive products you won’t find anywhere else—each one made for birds, field-tested for success, and built to last. Backed by exceptional service and dependable home delivery, Duncraft is the trusted choice for bird lovers everywhere.
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Need help finding the right bird feeding solution?
Our friendly birding experts in Concord, NH are just a call or email away. Reach out Monday–Friday, 9 AM to 5 PM EST at 800-763-7878 or info@duncraft.com—we’re happy to help!
What makes Duncraft bird seed so popular?
We’ve been perfecting our bird seed blends since 1952—using only premium ingredients birds actually eat. Our small-batch, fresh-packed seed attracts more birds and supports healthier feeding with less waste. It’s the food your backyard birds come back for.
What if I’m new to bird feeding and not sure what to expect?
No problem at all—we’re here to help! Every Duncraft product is designed to make bird feeding easy and enjoyable, whether you’re just starting out or have years of experience. And if your feeder doesn’t work out, you’re covered by our 365-Day Guarantee. We’ll help you exchange it or find the right fit for your birds.
Where are Duncraft Brand products made?
Right here in the USA! Duncraft has been family-owned and operated since 1952, with over 500 exclusive products designed and built in Concord, NH. Our team combines hands-on experience with expert care to bring you the best in backyard bird feeding.
Duncraft Black Oil Jumbo Block
Instantly attract more birds with our Jumbo seed blocks. Packed solid with popular black oil sunflower seed to attract more birds with fewer refills. You receive one premium seed block. Contains 100% black oil sunflower seed for the greatest wild bird acceptance. Save on the set of two Black Oil Sunflower Jumbo Blocks. Choose your preference. Measures 6-3/4 x 6-3/4 x 5-3/4 inches tall.
- Black Oil Sunflower Jumbo Block, save on the set of 2
- Attract more ground-feeding birds with fewer refills
- Features 100% premium black oil sunflower seed, preferred by most birds
- Place on the ground or on a platform feeder
- Made in the USA, available exclusively at Duncraft
Quantity