{"id":5596,"date":"2026-07-26T20:09:54","date_gmt":"2026-07-26T23:09:54","guid":{"rendered":"https:\/\/pappagallocucina.com.br\/index.php\/item\/centaurea-nigra-black-or-lesser-knapwe\/"},"modified":"2026-07-26T20:09:54","modified_gmt":"2026-07-26T23:09:54","slug":"centaurea-nigra-black-or-lesser-knapwe","status":"publish","type":"itempress_product","link":"https:\/\/pappagallocucina.com.br\/index.php\/item\/centaurea-nigra-black-or-lesser-knapwe\/","title":{"rendered":"Centaurea nigra | Black or Lesser Knapweed | Hardheads | 10 Seeds"},"content":{"rendered":"<p>Centaurea nigra is a perennial in the Asteraceae family. A native to Europe. Some familiar names are Black Knapweed, Hardheads, Lesser Knapweed, and Spanish Buttons. Considered a weed in places, but this flower provides lots of nectar for pollinators. It is rated in the top 5 for nectar producers. I would keep this one in a container just for the nectar. It grows to about 3 feet tall and can re-seed and spread out to forty feet or more. The leaves are lobed and hairy, around 10 inches long. The flowers are perched on an inflorescence with a few flower heads. The bright purple flowers are relatively small, around 1 inch in diameter, and bloom from July until September. Many bees, birds, and butterflies like to visit. It prefers to grow in full sun with minimal water needs. Zones 7-10 Germination Sow seeds 1\/4&#8243; deep and lightly cover with a medium. Keep moist in a bright spot. Do not cover with plastic but maintain a temperature around 65-75F. Germination 7-30 days.<\/p>\n","protected":false},"featured_media":0,"comment_status":"open","ping_status":"open","template":"","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":""},"itempress_category":[11],"itempress_tag":[34,313,62,25,9,27,121,119,51,33,68,75],"class_list":["post-5596","itempress_product","type-itempress_product","status-publish","hentry","itempress_category-cat-40605","itempress_tag-30-days","itempress_tag-centaurea","itempress_tag-fall","itempress_tag-flowering","itempress_tag-full-sun","itempress_tag-indoor-outdoor","itempress_tag-medium","itempress_tag-peat","itempress_tag-perennial","itempress_tag-returns-accepted","itempress_tag-seller","itempress_tag-unbranded"],"_links":{"self":[{"href":"https:\/\/pappagallocucina.com.br\/index.php\/wp-json\/wp\/v2\/itempress_product\/5596","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/pappagallocucina.com.br\/index.php\/wp-json\/wp\/v2\/itempress_product"}],"about":[{"href":"https:\/\/pappagallocucina.com.br\/index.php\/wp-json\/wp\/v2\/types\/itempress_product"}],"replies":[{"embeddable":true,"href":"https:\/\/pappagallocucina.com.br\/index.php\/wp-json\/wp\/v2\/comments?post=5596"}],"wp:attachment":[{"href":"https:\/\/pappagallocucina.com.br\/index.php\/wp-json\/wp\/v2\/media?parent=5596"}],"wp:term":[{"taxonomy":"itempress_category","embeddable":true,"href":"https:\/\/pappagallocucina.com.br\/index.php\/wp-json\/wp\/v2\/itempress_category?post=5596"},{"taxonomy":"itempress_tag","embeddable":true,"href":"https:\/\/pappagallocucina.com.br\/index.php\/wp-json\/wp\/v2\/itempress_tag?post=5596"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}