Heliopsis helianthoides
Sunflower-eye
Common names: Garden Sunflower-eye, Rough Sunflower-eye, Heliopsis
Photo: Alvesgaspar · CC BY-SA 3.0 · Source
This description was machine-translated.
Description
The Sunflower-eye produces an almost endless supply of bright golden, sunflower‑like blooms from July to October, making it one of the longest‑lasting and most persistent summer perennials. It grows 100 to 150 cm tall, forms sturdy clumps, and is a rich source of nectar and pollen for bees and butterflies. As a cut flower, it retains its beauty in a vase for a long time.
Care instructions
Provide a sunny location in nutrient‑rich, fresh soil. Water during prolonged dry periods; the plant will continue to bloom without interruption. Regularly remove spent flowers to encourage new buds. A light pruning of about one third in May makes the clump bushier and more sturdy. Divide the plant every three to four years in spring to keep it vigorous.
Soil & site
Soil pH
Soil type
loamy, sandy, humus-rich, well-drained
Feeding
Medium feeder
Companion planting
Good neighbors
carrot family (Apiaceae)
Calendula and Tagetes next to carrots keep the carrot fly away with their scent.
For example Carrotcelery rootDillParsleyCarrot fennelCoriander and 19 more species in the catalogue
Source: classic companion planting (DACH-Gartenpraxis)
Rather not
nightshade family (Solanaceae)
Sunflowers release substances into the soil that inhibit potato tuber growth, and they also compete for water and nutrients.
For example PotatoTomatoSweet pepperCocktail tomatoEggplantCape gooseberry and 9 more species in the catalogue
Source: basic crop-rotation rule
Companion planting is partly traditional gardening lore. Where the reason is known, it is given.
Some of these explanations were machine-translated.
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