When to Plant Gladiolus in Fayette County, TX
Gladiolus (Gladiolus spp.) produce tall, stately spikes of trumpet-shaped blooms in a rich array of colors, making them one of the most popular cut flowers in the world. Each spike carries 12–20 florets that open in succession from bottom to top over 7–10 days. By planting corms every two weeks from last frost through early summer, gardeners create a continuous succession of fresh blooms from midsummer through fall. Corms multiply each season — a single planting becomes a growing collection over the years. Ideal for back-of- border planting, cutting gardens, and mixed summer containers.
Fayette County, Texas is in USDA Zone 9a. The average last spring frost is February 27 and the first fall frost is November 28, giving you a growing season of approximately 274 days.
At an elevation of 57 feet, Fayette County receives approximately 70 inches of rainfall annually with predominantly clay soil. Summer highs average 91°F, providing good warmth for Gladiolus during the growing season. Clay soil retains moisture well for Gladiolus, but amend with compost to improve drainage and prevent root rot. Ample rainfall means less supplemental watering, but ensure good drainage to prevent Gladiolus root diseases.
Fayette County Soil Profile
Soil Type
Clay
Soil pH
6.0-7.0
Drainage
Well Drained
Gladiolus Planting Timeline — Fayette County, TX
Gladiolus Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | February 27 | Feb 27 – Mar 13 |
| Direct Sow | February 27 | Feb 27 – Mar 20 |
| Bloom | May 8 | May 8 – Nov 6 |
Plant 5" deep · 5" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | Transplant Outdoors Direct Sow |
| March | Transplant Outdoors Direct Sow |
| April | — |
| May | Bloom |
| June | Bloom |
| July | Bloom |
| August | Bloom |
| September | Bloom |
| October | Bloom |
| November | Bloom |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
Moderate — regular watering
📅 Days to Maturity
70–100 days
🧪 Soil pH
Needs 6–6.5 · Your soil: N/A
🗺️ USDA Zone
Zone 9a
📆 Growing Season
274 days in Fayette County
Growing Tips for Fayette County
Plant corms 4–6 inches deep, pointed end up, as soon as soil reaches 60°F after last frost. Space 4–6 inches apart; rows 12 inches apart. Stake or grow through a support grid — tall varieties reach 4–5 feet and tip in wind. Begin succession plantings every 2 weeks through early July for continuous bloom. Water deeply once a week; mulch to conserve moisture and suppress weeds. Cut spikes for vases when the lowest floret just begins to open. After first killing frost (in cold zones), dig corms, let dry for 3–4 weeks in a ventilated spot, remove cormels, and store in mesh bags at 35–50°F. In zones 7b–8a, corms sometimes survive mild winters in ground with heavy mulch; in zones 8b+, in-ground overwintering is reliable.
Companion Planting
Good Companions
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Gladiolus in Other Locations
Frequently Asked Questions
When should I plant Gladiolus in Fayette County, TX?
Fayette County is in Zone 9a with an average last frost of February 27. Plan your Gladiolus planting based on this frost date — see the calendar above for exact timing.
What planting zone is Fayette County, TX?
Fayette County, Texas is in USDA Hardiness Zone 9a. The average last spring frost is February 27 and first fall frost is November 28.
Your Fayette County Garden Planner — Free
A 22-page printable planner built for Fayette County (Zone 9a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.