Growing Sweet Alyssum in Zone 10
When to plant and harvest sweet alyssum in Zone 10— based on your zone's frost dates.
Zone 10 sits comfortably within sweet alyssum's best range (Zones 2–11), so it grows well here on a standard schedule.
Sweet Alyssum planting calendar for Zone 10
These months are derived from Zone 10's frost dates — last frost around Rare or none, first frost around Rare — December to January in coldest years.
Start indoors
January
Sow outdoors
January
Transplant
January
Harvest
February
Free planting calendar
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Sweet Alyssum care at a glance
- Sunlight
- Full sun to partial shade; afternoon shade in hot climates extends the bloom season
- Water
- Moderate and consistent when young; fairly drought-tolerant once established — overwatering is more damaging than under-watering
- Spacing
- 6–8 in apart
- Days to maturity
- 40–60 days from sowing to first bloom
- Best zones
- 2–11 (cool-season annual; self-sows in many zones)
Growing sweet alyssum in Zone 10: FAQs
Can you grow sweet alyssum in Zone 10?＋
Zone 10 sits comfortably within sweet alyssum's best range (Zones 2–11), so it grows well here on a standard schedule.
When should I plant sweet alyssum in Zone 10?＋
In Zone 10, start seeds indoors around January. Zone 10's last spring frost is typically Rare or none and its first fall frost around Rare — December to January in coldest years, which sets the planting window.
When to harvest sweet alyssum in Zone 10?＋
Expect to harvest sweet alyssum in Zone 10 around February, depending on the season and variety.
Full Sweet Alyssum guide →
Complete care, problems, companions, and harvest tips.
Zone 10 overview →
Frost dates, climate, and everything to grow here.
October in Zone 10 →
What to sow, transplant, and harvest this month.