Carnation

Zone 10a Save Garden

🌱 70d to harvest Upright

Fragrant, ruffled blooms unfurl in a lush garden show—each Carnation head a velvety cascade of petals that catches light like sat…

Crop Dates

Milestone	Date
Start Indoors	Dec 5th
Last Frost	Jan 16th
Transplant / Sow Outdoors	Jan 16th
Harvest Begins	Mar 27th
Harvest Ends	Dec 19th

Crop Details

Trait	Value
Days to Maturity	70
Sun Requirements	Full Sun
Growth Habit	Upright
Support Needed	None
Planting Depth	Normal
Germination Temp (°F)	60
Min Soil Temp (°F)	45
Min Night Temp (°F)	35
Harden Off (days)	7

Recommended Companions

Frequently Asked Questions

What pest or disease is most common on Dianthus caryophyllus (carnation), and how do I manage it?

Crown and stem rot and related fungal issues are common, especially when plants stay wet or air flow is poor. Water at the soil line (not the foliage), remove any yellowing leaves, and space plants so they’re not touching. If you spot rotting at the crown or wilting stems, remove affected plants and don’t replant in the same spot right away; a targeted fungicide labeled for carnations may be used per label directions if the problem is spreading.

How often should I water carnations (Dianthus caryophyllus) during active growth?

During the main growing phase, keep the soil evenly moist but never waterlogged—typically about 1–2 inches of water per week depending on heat and soil drainage. Water deeply only when the top 1 inch of soil feels dry to the touch, and then let excess drain; carnations in consistently wet soil are much more prone to crown rot. In full sun, increase frequency slightly during hot spells, but maintain the “dry top layer” rule between waterings.

How can I tell when Dianthus caryophyllus carnations are ready to harvest?

Harvest when the flower bud shows strong color but the petals have not fully opened yet—cut just above the first good set of leaves. For best quality, pick in the morning when stems are turgid, and remove spent blooms to encourage more flowering through the season. In general, expect harvest-ready blooms around 70 days from sowing (timing varies with local conditions and whether you started with transplants).

Fragrant, ruffled blooms unfurl in a lush garden show—each Carnation head a velvety cascade of petals that catches light like satin. Expect richly textured flowers with a full, layered form, ideal for long-lasting color in the landscape and for arranging in bouquets. Grow Carnation for a classic garden centerpiece that perfumes the air and brings enduring beauty from bud to bloom.

Sowing Tips

Transplant Conditions

Wait until soil reaches 45°F and nights stay above 35°F before moving outdoors. Harden off for 7 days first.

Expert Note

For carnations, prioritize sharp drainage and full sun, and deadhead regularly to keep the bloom cycle going.