When to plant Hyacinths in Jackson County, AR
Jackson County's spring Hyacinths window runs mid-spring through late spring. most warm-season crops establish quickly once soil holds above 60°F. A second sowing from October 7 to October 21 extends the harvest into fall.
When to Plant Hyacinths in Jackson County, AR
What to do in July
We've pulled the most time-sensitive tasks for Jackson County, Arkansas this July and put them front and centre. Tackle them in order.
Hyacinths (Hyacinthus orientalis) fill the spring garden with an almost overwhelming fragrance — a single cluster of blooms can perfume an entire yard. Dense, upright spikes of waxy florets in shades of purple, pink, blue, white, and red emerge in mid-spring, bridging the gap between the first crocus and the tulip peak. Though bulbs bloom most spectacularly in their first year, established plantings continue to produce graceful, less-dense flower spikes for several years. Deer and rabbits avoid them due to toxic alkaloids.
Jackson County, Arkansas is in USDA Zone 8a. The average last spring frost is March 26 and the first fall frost is November 4, giving you a growing season of approximately 223 days.
At an elevation of 1,468 feet, Jackson County receives approximately 47.2 inches of rainfall annually with predominantly silt loam soil. Summer highs average 91°F, providing good warmth for Hyacinths during the growing season.
Jackson County Soil Profile
Soil Type
Silt Loam
Soil pH
5.2-7
Drainage
Well Drained
Hyacinths 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.
Soil Compatibility in Jackson County
How your county's soil matches Hyacinths's growing requirements.
Soil pH
Your soil pH (5.2–7.0) overlaps with Hyacinths's range (6.0–7.5), though not a perfect match.
Soil Texture
The silt loam soil in Jackson County is excellent for Hyacinths — good drainage, moisture retention, and nutrient holding capacity.
Organic Matter
Organic matter is moderate (2.8%). Annual compost additions will help Hyacinths.
How to Plant Hyacinths
Fall planting: Sow 4 weeks before your first frost date for a fall harvest.
Succession Planting Hyacinths
Sow every 1.6 weeks. Last sowing by Oct 07 to harvest before frost.
For a dedicated fall crop, sow by Oct 07.
Hyacinths Water Budget
Water stress score is 6/10 — consider drought-tolerant varieties and mulching
Monthly Watering Guide for Hyacinths
Hyacinths needs approximately 0.5 inches of water per week (2.2" per month). Here's how your county's rainfall compares month by month.
| Month | Hyacinths Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 3.5" | 0" | ❄️ Dormant |
| Feb | — | 3.7" | 0" | ❄️ Dormant |
| Mar | 2.2" | 4.1" | 0" | ✅ Rainfall sufficient |
| Apr | 2.2" | 3.2" | 0" | ✅ Rainfall sufficient |
| May | 2.2" | 4" | 0" | ✅ Rainfall sufficient |
| Jun | 2.2" | 5" | 0" | ✅ Rainfall sufficient |
| Jul | 2.2" | 5.4" | 0" | ✅ Rainfall sufficient |
| Aug | 2.2" | 4.7" | 0" | ✅ Rainfall sufficient |
| Sep | 2.2" | 3.6" | 0" | ✅ Rainfall sufficient |
| Oct | 2.2" | 2.7" | 0" | ✅ Rainfall sufficient |
| Nov | 2.2" | 3.8" | 0" | ✅ Rainfall sufficient |
| Dec | — | 3.3" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Jackson County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Hyacinths Heat Requirements (GDD)
What are Growing Degree Days (GDD)?
Growing Degree Days measure the total warmth your plants receive during the growing season. Think of it as a "heat bank" — every day above 50°F deposits warmth that helps your plants grow.
Each plant needs a certain amount of accumulated heat to mature. If your county provides more GDD than the plant needs, it's a great fit. If it's close, you may want to choose faster-maturing varieties or start seeds indoors to get a head start.
Hyacinths Planting Timeline — Jackson County, AR
Hyacinths Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Bloom | September 30 | Sep 30 – Oct 21 |
| Fall Sowing | October 7 | Oct 7 – Oct 21 |
Plant 6" deep · 6" apart · Rows 8" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | — |
| May | — |
| June | — |
| July | — |
| August | — |
| September | Bloom |
| October | Fall Sowing Bloom |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Full Sun (6-8+ hours)
💧 Water
0.5"/week · Natural rainfall sufficient
📅 Days to Maturity
14–28 days
🧪 Soil pH
Needs 6–7.5 · Your soil: acceptable
🗺️ USDA Zone
Zone 8a
📆 Growing Season
223 days in Jackson County
Growing Tips for Hyacinths in Jackson County
Direct sow Hyacinths outdoors after March 26 in Jackson County when soil has warmed and frost danger has passed.
Your generous 223.0-day season in Jackson County allows multiple plantings of Hyacinths. Sow every 7.0 days for continuous harvest.
General growing tips
Plant bulbs 6 inches deep and 6 inches apart in fall, when soil drops below 60°F. Wear gloves when handling — bulb sap causes contact dermatitis in some people. After bloom, deadhead the spent spike but leave the strap-like foliage until it yellows naturally. For naturalizing, plant at 6–8 inch spacings and allow clumps to mature undisturbed. In zones 7b–9b, treat bulbs as annuals or use pre-chilled stock; performance after year 1 declines in warm-winter zones. For forcing indoors, chill bulbs 10–12 weeks then bring into warmth.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Hyacinths in Other Locations
Frequently Asked Questions
When should I plant Hyacinths in Jackson County, AR?
Jackson County is in Zone 8a with an average last frost of March 26. Plan your Hyacinths planting based on this frost date — see the calendar above for exact timing.
What planting zone is Jackson County, AR?
Jackson County, Arkansas is in USDA Hardiness Zone 8a. The average last spring frost is March 26 and first fall frost is November 4.
When should I plant Hyacinths in Jackson County, AR?
In Jackson County, AR, plant Hyacinths after the last frost (around March 26) and before the first frost (around November 4). Best results when soil holds above 50°F.
What growing zone is Jackson County, AR for Hyacinths?
Jackson County sits in USDA Zone 8a. Hyacinths grows reliably in zones 3a through 9b, so it's a good fit here.
Can Hyacinths grow in Jackson County's climate?
Yes — Hyacinths grows well in Jackson County's temperate climate. Jackson County averages a 223-day frost-free season, with last frost around March 26 and first frost around November 4.
Your Jackson County Garden Planner — Free
A 22-page printable planner built for Jackson County (Zone 8a). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.