When to Plant Marigolds in Arkansas
The ultimate companion plant. Marigolds repel pests, attract pollinators, and add cheerful color all season long.
The Short Answer
Arkansas Frost Dates
Your planting dates depend on which part of Arkansas you're in. Here are the frost date ranges by region:
| Region | Zones | Last Frost (Spring) | First Frost (Fall) |
|---|---|---|---|
| Northern Arkansas | 6b, 7a | Apr 5 - Apr 20 | Oct 10 - Oct 25 |
| Central Arkansas | 7a, 7b | Mar 25 - Apr 10 | Oct 20 - Nov 5 |
| Southern Arkansas | 7b, 8a | Mar 15 - Apr 1 | Nov 1 - Nov 15 |
Marigolds Planting Schedule for Arkansas
Northern Arkansas (Zones 6b, 7a)
Average last frost: Apr 5 - Apr 20 · Average first frost: Oct 10 - Oct 25
Central Arkansas (Zones 7a, 7b)
Average last frost: Mar 25 - Apr 10 · Average first frost: Oct 20 - Nov 5
Southern Arkansas (Zones 7b, 8a)
Average last frost: Mar 15 - Apr 1 · Average first frost: Nov 1 - Nov 15
Growing Marigolds in Arkansas
Marigolds in Arkansas's Climate
Marigolds thrive in your warm conditions and bloom from spring through late fall. French marigolds' nematode-suppressing properties are particularly valuable in the warm, sandy soils of the Southeast where root-knot nematodes are a significant garden pest.
Soil Considerations for Arkansas
Heavy clay in lowlands. Rocky soil in Ozarks. Raised beds recommended for drainage. Make sure soil has warmed to at least 60°F before planting marigolds outside.
Arkansas Climate & Growing Season
Hot, humid summers. Moderate winters. Good growing conditions for most vegetables. Marigolds cannot tolerate any frost, so wait until all frost danger has passed before transplanting outside. Watch local forecasts carefully in spring.
Growing season length varies across Arkansas: Northern Arkansas (6b, 7a) has a last frost around Apr 5 - Apr 20, while Southern Arkansas (7b, 8a) sees frost end around Mar 15 - Apr 1. This difference matters for marigolds — transplant timing shifts by several weeks across the state.
Growing Tips
French marigolds are best for pest control in vegetable gardens. Deadhead spent flowers to keep them blooming until frost.
Companion Planting
Plant marigolds alongside these companions for better growth:
The Bottom Line
Last reviewed: March 29, 2026