When to plant Dianthus in Smith County, MS
Smith County's climate puts the Dianthus spring window between January 23 and February 13. most warm-season crops establish quickly once soil holds above 60°F.
When to Plant Dianthus in Smith County, MS
China pinks (Dianthus chinensis) are a reliable cool-season annual offering fringed blooms with a spicy-sweet clove fragrance. They perform best in the cool temperatures of spring and fall, providing vivid color in beds and borders when summer annuals haven't kicked in yet. In warmer zones they are grown as fall–winter–spring annuals. The compact mounding habit and clean foliage make them excellent edging and container plants.
Smith County, Mississippi is in USDA Zone 8b. The average last spring frost is March 13 and the first fall frost is November 13, giving you a growing season of approximately 245 days.
At an elevation of 492 feet, Smith County receives approximately 58.4 inches of rainfall annually with predominantly clay loam soil. Summer highs average 96°F, so Dianthus may need afternoon shade and extra watering during peak heat. Clay soil retains moisture well for Dianthus, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Dianthus root diseases.
Smith County Soil Profile
Soil Type
Clay Loam
Soil pH
6.0-7.0
Drainage
Well Drained
Dianthus Planting Timeline — Smith County, MS
Dianthus Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Start Indoors | January 16 | Jan 16 – Jan 30 |
| Transplant Outdoors | January 30 | Jan 30 – Feb 13 |
| Direct Sow | January 23 | Jan 23 – Feb 13 |
| Bloom | March 20 | Mar 20 – May 29 |
Plant 0.1" deep · 8" apart · Rows 10" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | Start Indoors Transplant Outdoors Direct Sow |
| February | Transplant Outdoors Direct Sow |
| March | Bloom |
| April | Bloom |
| May | Bloom |
| June | — |
| July | — |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Low — drought tolerant
📅 Days to Maturity
60–80 days
🧪 Soil pH
Needs 6–7.5 · Your soil: N/A
🗺️ USDA Zone
Zone 8b
📆 Growing Season
245 days in Smith County
Growing Tips for Smith County
Start seeds indoors 8–10 weeks before last frost for spring transplants, or direct-sow in early spring as soon as soil can be worked — seeds tolerate light frost. Can also be direct-sown in late summer for fall bloom. Plant in full sun with excellent drainage; poorly drained soil causes crown rot. Deadhead regularly to extend bloom. In zones 8–10, plant as a fall annual for winter– spring color; plants decline in summer heat.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Dianthus in Other Locations
Frequently Asked Questions
When should I plant Dianthus in Smith County, MS?
Smith County is in Zone 8b with an average last frost of March 13. Plan your Dianthus planting based on this frost date — see the calendar above for exact timing.
What planting zone is Smith County, MS?
Smith County, Mississippi is in USDA Hardiness Zone 8b. The average last spring frost is March 13 and first fall frost is November 13.
When should I plant Dianthus in Smith County, MS?
In Smith County, MS, plant Dianthus after the last frost (around March 13) and before the first frost (around November 13). Best results when soil holds above 50°F.
What growing zone is Smith County, MS for Dianthus?
Smith County sits in USDA Zone 8b. Dianthus grows reliably in zones 3a through 10b, so it's a good fit here.
Can Dianthus grow in Smith County's climate?
Yes — Dianthus grows well in Smith County's temperate climate. Smith County averages a 245-day frost-free season, with last frost around March 13 and first frost around November 13.
Your Smith County Garden Planner — Free
A 22-page printable planner built for Smith County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.