- Developed by the University of Massachusetts Amherst's historic reasearch farm this broccoli delivers higher yields with a more uniform crop and repeat harvests.
85-90 days. Waltham 29 Broccoli Seeds. Brassica oleracea var. italica. Annual. Non-GMO. Developed at the University of Massachusetts Amherst's historic research farm, Waltham Field Station, heirloom Waltham 29 broccoli garden seeds have been cultivated to deliver higher yields, grow more uniform vegetable crops, with more repeat harvests. Native to the brisk New England chill, non-GMO Waltham 29 seeds grow a compact, cold-hardy and open-pollinated American staple for home gardens and Farmers Markets. ~9,000 seeds/oz.
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