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Callistephus chinensis

Summer Aster

Common names: Garden Aster, Chinese Aster

Summer Aster

This description was machine-translated.

Description

The Summer Aster is a classic late‑summer and autumn cut‑flower, blooming from August to October in almost all colors except pure yellow. With filled, half‑filled, and simple flower forms, this annual plant produces long‑lasting bouquets. Bees especially favor the simple‑flowering varieties.

Care instructions

Sow the Summer Aster in March or April directly into a sunny spot with nutrient‑rich, well‑drained soil. Do not plant it in the same location every year to avoid root‑rot; practice crop rotation. Water from below and keep the foliage dry. Harvest the flowers for the vase when they are just opening.

Soil & site

Soil pH

4.0pH 6–7.58.0

Soil type

sandy, loamy, humus-rich, well-drained, nutrient-rich

LightFull sun
HardinessFrost-sensitive
Water needMedium

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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