When to plant Sweet Alyssum in Lamar County County,
Plant Sweet Alyssum in Lamar County County from February 16 to March 9 in spring. Lamar County County sits in USDA Zone 8a, with last frost around March 23 and first frost on November 6. A second sowing from September 11 to September 25 extends the harvest into fall.
When to Plant Sweet Alyssum in Lamar County, AL
June in the garden — Lamar County, Alabama
We've pulled the most time-sensitive tasks for Lamar County, Alabama this June and put them front and centre. Tackle them in order.
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Collect sweet alyssum at their peak
This is the payoff month. Bring a basket, bring a friend, and get into the beds.
Coming up in July — start thinking about
- First harvests: sweet alyssum
Sweet Alyssum (Lobularia maritima) is a low-growing cool-season annual prized for its honey-scented clusters of tiny white, pink, or purple flowers. A workhorse border plant, it tolerates light frost, self-seeds readily, and attracts beneficial insects throughout its bloom season. In warm climates it often re-blooms in fall after summer heat fades.
Lamar County, Alabama is in USDA Zone 8a. The average last spring frost is March 23 and the first fall frost is November 6, giving you a growing season of approximately 228 days.
At an elevation of 69 feet, Lamar County receives approximately 62 inches of rainfall annually with predominantly clay loam soil. Summer highs average 88°F, providing good warmth for Sweet Alyssum during the growing season. Clay soil retains moisture well for Sweet Alyssum, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Sweet Alyssum root diseases.
Lamar County Soil Profile
Soil Type
Clay Loam
Soil pH
5.3-6.7
Drainage
Well Drained
Sweet Alyssum Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Soil Compatibility in Lamar County
How your county's soil matches Sweet Alyssum's growing requirements.
Soil pH
Your soil pH (5.3–6.7) overlaps with Sweet Alyssum's range (6.0–7.5), though not a perfect match.
Soil Texture
The clay loam soil in Lamar County is excellent for Sweet Alyssum — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (2.2%). Annual compost additions will help Sweet Alyssum.
How to Plant Sweet Alyssum
Fall planting: Sow 8 weeks before your first frost date for a fall harvest.
Succession Planting Sweet Alyssum
Sow every 5.1 weeks. Last sowing by Sep 07 to harvest before frost.
For a dedicated fall crop, sow by Sep 11.
Sweet Alyssum Water Budget
Monthly Watering Guide for Sweet Alyssum
Sweet Alyssum needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.
| Month | Sweet Alyssum Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 4.7" | 0" | ❄️ Dormant |
| Feb | — | 4.6" | 0" | ❄️ Dormant |
| Mar | 2.2" | 6.8" | 0" | ✅ Rainfall sufficient |
| Apr | 2.2" | 4.2" | 0" | ✅ Rainfall sufficient |
| May | 2.2" | 5.3" | 0" | ✅ Rainfall sufficient |
| Jun | 2.2" | 5.9" | 0" | ✅ Rainfall sufficient |
| Jul | 2.2" | 5.8" | 0" | ✅ Rainfall sufficient |
| Aug | 2.2" | 6.8" | 0" | ✅ Rainfall sufficient |
| Sep | 2.2" | 5" | 0" | ✅ Rainfall sufficient |
| Oct | 2.2" | 4.1" | 0" | ✅ Rainfall sufficient |
| Nov | 2.2" | 4.6" | 0" | ✅ Rainfall sufficient |
| Dec | — | 4.4" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Lamar County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Sweet Alyssum Heat Requirements (GDD)
What are Growing Degree Days (GDD)?
Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.
Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.
Sweet Alyssum Planting Timeline — Lamar County, AL
Sweet Alyssum Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | February 9 | Feb 9 – Feb 23 |
| Transplant Outdoors | March 9 | Mar 9 – Mar 23 |
| Direct Sow | February 16 | Feb 16 – Mar 9 |
| Bloom | April 20 | Apr 20 – Aug 10 |
| Fall Sowing | September 11 | Sep 11 – Sep 25 |
· 6" apart · Rows 8" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Start Indoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | Bloom |
| May | Bloom |
| June | Bloom |
| July | Bloom |
| August | Bloom |
| September | Fall Sowing |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.5"/week · Natural rainfall sufficient
📅 Days to Maturity
45–60 days
🧪 Soil pH
Needs 6–7.5 · Your soil: acceptable
🗺️ USDA Zone
Zone 8a
📆 Growing Season
228 days in Lamar County
Growing Tips for Sweet Alyssum in Lamar County
Direct sow Sweet Alyssum outdoors after March 23 in Lamar County when soil has warmed and frost danger has passed.
With Lamar County's clay soil (28% clay), work in 3-4 inches of compost before planting Sweet Alyssum. Avoid tilling when soil is wet to prevent compaction.
Your generous 228.0-day season in Lamar County allows multiple plantings of Sweet Alyssum. Sow every 22.0 days for continuous harvest.
Common pests for Sweet Alyssum in this region include cabbage worm and flea beetles. Use row covers early in the season and inspect plants weekly.
General growing tips
Surface-sow seeds — they need light to germinate. Direct-sow as soon as soil can be worked in spring; in zones 7+ also sow in fall. Thin to 6 inches apart. Shear back hard in midsummer when heat causes dormancy — plants recover and re-bloom when cool weather returns. Self-seeds prolifically; allow a few plants to set seed for a perpetual colony.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Sweet Alyssum in Other Locations
Frequently Asked Questions
When should I plant Sweet Alyssum in Lamar County, AL?
Lamar County is in Zone 8a with an average last frost of March 23. Plan your Sweet Alyssum planting based on this frost date — see the calendar above for exact timing.
What planting zone is Lamar County, AL?
Lamar County, Alabama is in USDA Hardiness Zone 8a. The average last spring frost is March 23 and first fall frost is November 6.
When should I plant Sweet Alyssum in Lamar County County, ?
In Lamar County County, , plant Sweet Alyssum after the last frost (around March 23) and before the first frost (around November 6). Best results when soil holds above 50°F.
What growing zone is Lamar County County, for Sweet Alyssum?
Lamar County County sits in USDA Zone 8a. Sweet Alyssum grows reliably in zones 3a through 11b, so it's a good fit here.
Can Sweet Alyssum grow in Lamar County County's climate?
Yes — Sweet Alyssum grows well in Lamar County County's temperate climate. Lamar County County averages a 228-day frost-free season, with last frost around March 23 and first frost around November 6.
Your Lamar County Garden Planner — Free
A 22-page printable planner built for Lamar County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.