{"product_id":"zagreb-threadleaf-coreopsis","title":"Zagreb Threadleaf Coreopsis","description":"\u003ch3 class=\"pd-title-head\"\u003e\n  \u003cstrong\u003e\u003ci\u003eCoreopsis verticillata\u003c\/i\u003e 'Zagreb'\u003c\/strong\u003e\n\u003c\/h3\u003e\n\n\u003ch2\u003eOverview\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eUses:\u003c\/strong\u003e Sunny borders, mass plantings, pollinator gardens, rock gardens, cutting beds.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eBenefits:\u003c\/strong\u003e One of the longest-blooming perennials available, carrying golden yellow daisies over fine, threadlike foliage from early summer into fall. Spreads slowly by rhizomes into a dense, weed-suppressing colony, and shrugs off heat, drought, and poor soil once established.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eUSDA Hardiness Zones:\u003c\/strong\u003e 3–9\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSun:\u003c\/strong\u003e Full Sun to Partial Sun\/Shade\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eLife Cycle:\u003c\/strong\u003e Hardy Perennial\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrowth Habit:\u003c\/strong\u003e Mounding, Spreading — fine-textured mound that slowly colonizes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBloom Color:\u003c\/strong\u003e Golden Yellow\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMature Height:\u003c\/strong\u003e 1–1.5 ft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eMature Width:\u003c\/strong\u003e 1.5–2 ft.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eBloom Season:\u003c\/strong\u003e Early summer through early fall\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eGrowth Rate:\u003c\/strong\u003e Moderate\u003c\/p\u003e\n\n\u003ch2\u003eSummary\u003c\/h2\u003e\n\n\u003cp\u003eZagreb Threadleaf Coreopsis solves the problem every sunny border eventually runs into: what keeps flowering in August when everything else has quit. This one starts in early summer and is still throwing golden yellow daisies when the asters open.\u003c\/p\u003e\n\n\u003cp\u003eThe foliage is the other half of the appeal. Needle-fine and bright green, it builds a low, soft mound that looks intentional even before the first bud opens, and it never flops or opens up in the middle the way taller coreopsis can. Zagreb is the more compact and more restrained of the two common threadleaf selections, holding tighter and staying in bounds better than Moonbeam while flowering in a deeper, more saturated gold.\u003c\/p\u003e\n\n\u003cp\u003eIt spreads underground at a polite pace, knitting into a colony that crowds out weeds without ever becoming a problem. Poor, gravelly, fast-draining soil is where it performs best. Rich ground and regular water produce softer growth and fewer flowers.\u003c\/p\u003e\n\n\u003ch2\u003eCare\u003c\/h2\u003e\n\n\u003ch3\u003e\u003cstrong\u003eZagreb Threadleaf Coreopsis Care\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003ePlant Zagreb Threadleaf Coreopsis in full sun in average to poor, well-drained soil. It tolerates partial sun but flowers more heavily and stands more upright with at least six hours of direct light. Sharp drainage matters more than fertility, and heavy clay that stays wet through winter is the one situation to avoid.\u003c\/p\u003e\n\n\u003cp\u003eWater regularly through the first season to establish. After that it is genuinely drought tolerant and needs supplemental water only in extended dry spells.\u003c\/p\u003e\n\n\u003cp\u003eSkip fertilizer in average soil. In very poor ground, a single spring application of \u003ca href=\"https:\/\/almanacplanting.com\/products\/slow-release-fertilizer\" target=\"_blank\" rel=\"noopener\"\u003eslow release fertilizer\u003c\/a\u003e is plenty. Shearing the whole plant back by about a third after the first heavy flush encourages a strong second wave. Cut stems to the ground in late winter before new growth begins.\u003c\/p\u003e\n\n\u003ch2\u003eSize\u003c\/h2\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWhat Size is the Zagreb Threadleaf Coreopsis for Sale Online?\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eOur Zagreb Threadleaf Coreopsis ships in a greenhouse-grade grow pot and is appropriately sized for its container at the time of shipment. If you have specific sizing or planting questions, please \u003ca href=\"https:\/\/almanacplanting.com\/pages\/contact\" target=\"_blank\" rel=\"noopener\" title=\"Contact Almanac Planting Co\"\u003econtact us\u003c\/a\u003e.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eHow Large Does Zagreb Threadleaf Coreopsis Grow?\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eZagreb Threadleaf Coreopsis grows about twelve to eighteen inches tall and eighteen to twenty-four inches wide, widening slowly by rhizome into a broader colony over several years.\u003c\/p\u003e\n\n\u003ch2\u003eAdditional Information\u003c\/h2\u003e\n\n\u003ch3\u003e\u003cstrong\u003eHow is Zagreb different from Moonbeam?\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eZagreb is shorter, denser, and more upright, and its flowers are a deeper golden yellow rather than the pale butter tone of Moonbeam. Zagreb also holds its shape better late in the season and spreads a little more freely at the root.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eDoes it need deadheading?\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eNot for continued bloom. Shearing the plant back by a third after the first heavy flush tidies it and pushes a stronger second wave, but flowers keep coming either way.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eWill it spread too far?\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eIt travels by short rhizomes and widens into a colony over several years, but it is not aggressive and stays easy to edge or divide. In dry, lean soil it moves even more slowly.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eIs it deer resistant?\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eYes. The fine, slightly bitter foliage is left alone by deer and rabbits in most gardens, and it holds up in dry sites where browsing pressure is often heaviest. Browse our \u003ca href=\"https:\/\/almanacplanting.com\/collections\/deer-resistant-perennials-grasses\"\u003edeer-resistant perennials and grasses\u003c\/a\u003e and \u003ca href=\"https:\/\/almanacplanting.com\/collections\/drought-tolerant-plants\"\u003edrought-tolerant plants\u003c\/a\u003e collections for more.\u003c\/p\u003e\n\n\u003ch3\u003e\u003cstrong\u003eIs this plant native?\u003c\/strong\u003e\u003c\/h3\u003e\n\n\u003cp\u003eIt is a nativar — a garden selection made from \u003ci\u003eCoreopsis verticillata\u003c\/i\u003e, a species native to the eastern United States. It is not the straight species, but it shares the same parentage and the same value to small pollinators. See our \u003ca href=\"https:\/\/almanacplanting.com\/collections\/native-plants\"\u003enative plants of North America\u003c\/a\u003e collection for straight species.\u003c\/p\u003e\n","brand":"Almanac Planting Co","offers":[{"title":"2 Gallon \/ Fall '26 Pre-Order","offer_id":47506415026338,"sku":"PN-CoZa-2-1yr","price":44.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0586\/9374\/6850\/files\/Image_Coming_Soon.png?v=1786804456","url":"https:\/\/almanacplanting.com\/products\/zagreb-threadleaf-coreopsis","provider":"Almanac Planting Co","version":"1.0","type":"link"}