Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Union, LA, based on the USDA Hardiness Zone 6b.
On this page:
Union, LA Frost Dates & Growing Season
Last Spring Frost Date for Union, LA
The average last frost date in spring for Union is March 9th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until March 23rd before moving plants outdoors. Waiting these extra few weeks significantly reduces the risk of a late freeze damaging young transplants.
First Fall Frost Date for Union, LA
The average first frost date in fall for Union is November 15th. This date marks the approximate end of the growing season for tender plants. Gardeners should plan to harvest frost-sensitive vegetables or provide heavy protection (such as row covers) before this date to avoid crop loss.
Growing Season Length in Union, LA
Based on historical frost data, the estimated growing season length in Union is approximately 251 days. This duration determines which vegetable varieties have enough time to reach maturity before the winter cold sets in. Short-season varieties are recommended for crops that require a longer warm period.
Please note: These dates are climatological averages. Actual weather conditions vary by year. Always check the local 10-day forecast before planting.
Union, LA Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Union, LA Monthly Planting Recommendations
January
In January, recommended activities include direct sowing Spinach (from January 26th to February 9th), starting Basil seeds indoors (from January 26th to February 9th), and starting Coneflower seeds indoors (from January 12th to January 26th).
February
In February, recommended activities include direct sowing Chives (from February 9th to February 23rd), direct sowing Potato (from February 9th to February 23rd), and starting Cantaloupe seeds indoors (from February 9th to February 23rd).
March
In March, recommended activities include direct sowing Morning Glory (from March 16th to March 30th), direct sowing Gladiolus (from March 9th to March 23rd), and direct sowing Corn (from March 23rd to March 30th).
December
In December, recommended activities include starting Leek seeds indoors (from December 29th to January 12th), starting Artichoke seeds indoors (from December 29th to January 12th), and starting French Lavender seeds indoors (from December 29th to January 12th).