When to Plant Hyssop in Canadian County, OK
Hyssop is a semi-evergreen perennial herb with intense blue flower spikes that attract bees and butterflies. It has a minty, slightly bitter flavor used in liqueurs and teas.
Canadian County, Oklahoma is in USDA Zone 7a. The average last spring frost is April 6 and the first fall frost is November 2, giving you a growing season of approximately 210 days.
At an elevation of 532 feet, Canadian County receives approximately 21.8 inches of rainfall annually with predominantly loam soil. Summer highs average 93°F, providing good warmth for Hyssop during the growing season.
Canadian County Soil Profile
Soil Type
Loam
Soil pH
6.2-7.2
Drainage
Well Drained
Plant Planting Risk Windows
Percentages indicate frost risk at transplant. The 70% safe window means there is a 30% chance of frost after transplant — suitable for cold-hardy crops or gardeners with frost protection. The 90% safe window is best for tender plants.
Plant Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Hyssop Planting Timeline — Canadian County, OK
Hyssop Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 13 | Apr 13 – Apr 27 |
| Harvest | June 22 | Jun 22 – Aug 24 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | — |
| June | Harvest |
| July | Harvest |
| August | Harvest |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
Sun
Full Sun (6-8+ hours)
Water
Low — drought tolerant
Days to Maturity
70–90 days
Soil pH
6 – 8
USDA Zone
Zone 7a
Growing Season
210 days
Growing Tips for Canadian County
Start seeds indoors or direct sow in spring. Prune back in early spring to encourage bushy growth. Hyssop is drought-tolerant once established and thrives in poor soil.
Companion Planting
Good Companions
Avoid Planting Near
Level Up Your Garden
Hyssop in Other Locations
Frequently Asked Questions
When should I plant Hyssop in Canadian County, OK?
Canadian County is in Zone 7a with an average last frost of April 6. Plan your Hyssop planting based on this frost date — see the calendar above for exact timing.
What planting zone is Canadian County, OK?
Canadian County, Oklahoma is in USDA Hardiness Zone 7a. The average last spring frost is April 6 and first fall frost is November 2.
Plan Your Garden with Confidence
Get our free Garden Planner — designed to help Canadian County gardeners in Zone 7a organize planting dates, track what's growing, and never miss a planting window.
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