Common Name: Cosmos Red Crest
Scientific Name: Cosmos sulpureus
Physical Attributes: a vibrant, easy-to-grow annual producing wide, double or semi-double fiery red-orange flowers
Uses: Lightweight cut flower, containers and mass planting.
Life Cycle: Annual
Growing Height: 80 –120cm
Attracts: Friendly pollinators such as butterflies and bees. Bumblebees love Cosmos!
When to Sow: Spring (after the last frost)
Sowing Depth: 6mm
Sow Spacing: 30 – 50cm
Sowing Method: Sow direct in Spring-Summer or raise seedlings in a container 5 – 7 weeks before the last frost. Keep lightly covered and transplant outside after the chance of frost has passed.
Position: Full Sun
Germination Time: 14 – 21 days
Maintenance: Deadhead to keep neat and to prolong blooms. Don’t be scared to give your Cosmos a decent cut back, it will come back stronger than before.
Seeds Per Packet: 50
Cosmos Red Crest – 50 Seeds
In stock
$4.25
Hello! As a passionate gardener, I am absolutely obsessed with Cosmos sulphureus ‘Red Crest’ right now. It is the go-to annual for adding that “relaxed, moody-yet-vibrant” look to our Mediterranean-style gardens.
Here is the lowdown on why this plant is trending in Australia and how to make it thrive, from one green thumb to another:
Vibrant, Edgy Colour: Unlike the soft pinks and pastels of typical cosmos, ‘Red Crest’ (or ‘Crest Red’) offers intense, bright red, semi-double, or double flowers with a stunning crested center. It adds a moody, romantic vibe that fits perfectly with current “cottage-core” or “naturalistic” landscaping trends. planting them in mass drifts to create a cloud-like effect, or mixed with darker foliage plants for a dramatic contrast. They are phenomenal cut flowers, lasting 5-7 days in a vase. These are absolute superstars in our hot summers. Unlike other plants that sulk in 40°C heat, these thrive on sunshine and are highly drought-tolerant once established. I love that they thrive on neglect. They are fast-growing, often reaching 60-80cm tall, and bloom profusely from spring until the first winter frosts. They must have full sun (at least 6-8 hours) and well-draining soil. They are perfect for those hot spots against a fence or in a raised garden bed.
Planting: Direct sow seeds into the garden in spring (once the frost has passed). Do not over-fertilize, or you’ll get all leaf and no flowers!
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