Didiscus (Blue Lace Flower) in Zone 11a & 11b

Trachymene coerulea

When to plant didiscus (blue lace flower) in zone 11b

Zones 11a and 11b share the same average frost dates in our data, so this page covers both.

Method: Direct sow: Direct-sow outside. Didiscus (Blue Lace Flower) doesn't transplant well, or doesn't need the extra time indoors.

Start indoors	Not typically started indoors
Direct sow / transplant outside	Jan 1–Jan 8
Estimated bloom	Apr 1–Apr 8 (~90 days after direct-sowing)

Spacing: 2 per square foot (square-foot-gardening spacing). Mature height: 2-3 ft.

Didiscus, also called blue lace flower, is a sweet-scented cut flower that pairs stiff, sturdy stems with a delicate, lacy flower head, an unusual combination that makes it a favorite for bouquets.

How didiscus (blue lace flower) fits zone 11's season

Zone 11b is frost-free in this dataset, so frost is not what limits the calendar here. What you can plant, and when, comes down to summer heat and daylength instead.

Good companions

No standout companions recorded yet for Didiscus (Blue Lace Flower).

Where to buy didiscus seeds

See why we recommend these suppliers →

As an Amazon Associate we earn from qualifying purchases. Some links on this page also go to other retailers we may earn a commission from as an affiliate, at no extra cost to you. We only recommend products with a genuine consensus of positive, independent reviews. See the sources cited on each item.

See it growing

Search YouTube for "growing didiscus (blue lace flower)" videos → (a live search, not a hand-picked video; results vary and aren't vetted by us)

← Back to the full zone 11b calendar · Full companion planting guide · Full plant profile · Plan your beds in the Garden Designer →

Pin this for later

Growing Didiscus (Blue Lace Flower) in USDA zone 11b: when to start seeds indoors, when to direct-sow, and when to expect a bloom.

Save to Pinterest