Use this planting calendar to find the best times of the year to grow fruits, vegetables, herbs, flowers, and other popular plants in Rock island, TX, based on the USDA Hardiness Zone 9a.
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Rock island, TX Frost Dates & Growing Season
Last Spring Frost Date for Rock island, TX
The average last frost date in spring for Rock island is March 10th. For gardeners planting sensitive crops like tomatoes, peppers, and basil, it is generally recommended to wait until March 24th 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 Rock island, TX
The average first frost date in fall for Rock island is December 1st. 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 Rock island, TX
Based on historical frost data, the estimated growing season length in Rock island is approximately 266 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.
Rock island, TX Planting Calendar
This weekly planting calendar displays the ideal windows for starting seeds, transplanting, and harvesting your plants.
Rock island, TX Monthly Planting Recommendations
January
In January, recommended activities include direct sowing Spinach (from January 27th to February 10th), starting Thyme seeds indoors (from January 13th to January 27th), and starting Sage seeds indoors (from January 27th to February 10th).
February
In February, recommended activities include direct sowing Kale (from February 10th to February 24th), direct sowing Potato (from February 10th to February 24th), and starting Pumpkin seeds indoors (from February 17th to February 24th).
March
In March, recommended activities include direct sowing Cosmos (from March 17th to March 24th), direct sowing Babys Breath (from March 10th to March 24th), and direct sowing Nasturtium (from March 17th to March 24th).
December
In December, recommended activities include starting Rosemary seeds indoors (from December 30th to January 13th), starting Onion seeds indoors (from December 30th to January 13th), and starting French Lavender seeds indoors (from December 30th to January 13th).