SproutSmart
SproutSmart Intelligent Garden Sowing

Cupcakes Blush

Cosmos

Planting Schedule

Add Cupcakes Blush to your garden to build a schedule and get reminders.
Botanical illustration of Cupcakes Blush
60d to harvest

Delicate petals unfurl in a soft blush haze, as if each bloom were dusted with pale rose light—Cupcakes Blush brings a refined, cloudlike presence to the garden from early summer through fall. The flowers are compact and abundant, with a charming, cupcake-like fullness and a silky, satin feel at close range. Grow for nonstop ornamental color in beds, borders, and containers, and let these airy cosmos blooms become the season’s most graceful focal point.

Crop Dates

Growing note: In frost-free Zone 13b, grow this cool-season crop during the cooler dry season (October–February).
MilestoneDate
Start Indoors
ClimateFrost-Free Climate
Transplant / Sow OutdoorsOct 1st
Harvest BeginsNov 30th
Harvest EndsFeb 28th

Crop Details

TraitValue
Days to Maturity60
Sun RequirementsFull SunFull sun
Growth HabitUpright
Support NeededNone
Planting DepthNormal
Germination Temp (°F)70
Min Soil Temp (°F)60
Min Night Temp (°F)50
Harden Off (days)Not Required

Frequently Asked Questions


How often should I water Cosmos bipinnatus during the main growing phase?
During active growth (after seedlings establish), water deeply about 1–2 times per week, aiming to keep soil evenly moist but not soggy. Let the top 1 inch of soil dry between waterings; cosmos in wet, heavy soil is more prone to fungal issues and produces fewer sturdy stems. In full sun beds, adjust frequency upward in hot spells and downward in cool, rainy weeks.
How can I tell when Cosmos bipinnatus ‘Cupcakes Blush’ is ready to harvest?
Harvest flowers when the petals are fully expanded and the center disk is still fresh and not dried or collapsing, which is typically around 60 days from sowing. For best vase life, cut blooms in the morning and use clean pruners to take stems just above a node to encourage more branching. If you want seed, leave a few spent flowers until the seed heads turn dry and tan-brown before collecting.
Botanical illustration of Cupcakes Blush

Delicate petals unfurl in a soft blush haze, as if each bloom were dusted with pale rose light—Cupcakes Blush brings a refined, cloudlike presence to the garden from early summer through fall. The flowers are compact and abundant, with a charming, cupcake-like fullness and a silky, satin feel at close range. Grow for nonstop ornamental color in beds, borders, and containers, and let these airy cosmos blooms become the season’s most graceful focal point.