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When to plant Hyacinths in Pratt County, KS

Pratt County gardeners should plant Hyacinths between mid-spring and late spring in spring. With Pratt County's Zone 6b climate (last frost April 15), Hyacinths needs 14–28 days to mature — plant by September 26 for a full harvest. A second sowing from September 12 to September 26 extends the harvest into fall.

When to Plant Hyacinths in Pratt County, KS

Pratt County, Kansas Zone 6b June

June to-do list for Pratt County, Kansas

If you only do a handful of things in the garden this June, make it these. They're sequenced around your zone's frost timing.

Avg. last frost April 15
Avg. first frost October 24
Soil temp (4") 76°F
Watering Low
Pest pressure High
Daylight 14.6 hrs

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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.

Pratt County, Kansas is in USDA Zone 6b. The average last spring frost is April 15 and the first fall frost is October 24, giving you a growing season of approximately 192 days.

At an elevation of 852 feet, Pratt County receives approximately 21.4 inches of rainfall annually with predominantly loam soil. Summer highs average 89°F, providing good warmth for Hyacinths during the growing season.

Bulb Blooms in Spring Pollinator-friendly Deer-resistant Good for cutting Fragrant
Pratt County, KS (Zone 6b) Moderate season
192 days
Last Spring Frost April 15
192 growing days
First Fall Frost October 24

Pratt County Soil Profile

Soil Type

Loam

Soil pH

6.7-7.6

Drainage

Well Drained

Hyacinths Planting Risk Windows

Early Start (70% safe) ✓ Fits season (182 days to spare)
Transplant: Apr 9 🌸 Bloom: Mar 26 – Apr 16
Recommended (50%) ✓ Fits season (185 days to spare)
Transplant: Apr 15 🌸 Bloom: Apr 1 – Apr 22
Safe Start (90%) ✓ Fits season (188 days to spare)
Transplant: Apr 28 🌸 Bloom: Apr 14 – May 5

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 Pratt County

How your county's soil matches Hyacinths's growing requirements.

Soil pH

Your soil pH (6.7–7.6) overlaps with Hyacinths's range (6.0–7.5), though not a perfect match.

Soil Texture

The loam soil in Pratt County is excellent for Hyacinths — good drainage, moisture retention, and nutrient holding capacity.

Drainage

Drainage is adequate for Hyacinths.

Organic Matter

Organic matter is moderate (3.3%). Annual compost additions will help Hyacinths.

How to Plant Hyacinths

6"
Planting Depth
6"
Between Plants
8"
Between Rows

Fall planting: Sow 6 weeks before your first frost date for a fall harvest.

Succession Planting Hyacinths

17
successive plantings in your 192-day season

Sow every 1.6 weeks. Last sowing by Sep 26 to harvest before frost.

For a dedicated fall crop, sow by Sep 12.

Hyacinths Water Budget

Plant needs
0.5″/week
Rainfall provides
0.5″/week
You supply
0.2″/week
Watering frequency Only during dry spells
Season total 373 gal / 100 sq ft
Drought risk

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 0.6" 0" ❄️ Dormant
Feb 0.7" 0" ❄️ Dormant
Mar 1.4" 0" ❄️ Dormant
Apr 2.2" 1.9" 0.3" 💧 Light watering
May 2.2" 3.2" 0" ✅ Rainfall sufficient
Jun 2.2" 3.8" 0" ✅ Rainfall sufficient
Jul 2.2" 2.9" 0" ✅ Rainfall sufficient
Aug 2.2" 2.2" 0" ✅ Rainfall sufficient
Sep 2.2" 2.2" 0" ✅ Rainfall sufficient
Oct 2.2" 1.2" 1" 💧 Light watering
Nov 0.6" 0" ❄️ Dormant
Dec 0.6" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Pratt 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 needs ~352 GDD — county provides 3,216 GDD Excellent fit

Hyacinths Planting Timeline — Pratt County, KS

Hyacinths Planting Calendar

Activity When Date Range
Bloom August 29 Aug 29 – Sep 19
Fall Sowing September 12 Sep 12 – Sep 26

Plant 6" deep · 6" apart · Rows 8" apart

Month-by-Month Timeline

MonthActivities
January
February
March
April
May
June
July
August Bloom
September Fall Sowing Bloom
October
November
December

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

0.5"/week · Only during dry spells

📅 Days to Maturity

14–28 days

🧪 Soil pH

Needs 6–7.5 · Your soil: acceptable

🗺️ USDA Zone

Zone 6b

📆 Growing Season

192 days in Pratt County

Growing Tips for Hyacinths in Pratt County

Direct sow Hyacinths outdoors after April 15 in Pratt County when soil has warmed and frost danger has passed.

Your generous 192.0-day season in Pratt County allows multiple plantings of Hyacinths. Sow every 7.0 days for continuous harvest.

Pratt County receives only 21" of rain annually. Hyacinths needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

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 →

Frequently Asked Questions

When should I plant Hyacinths in Pratt County, KS?

Pratt County is in Zone 6b with an average last frost of April 15. Plan your Hyacinths planting based on this frost date — see the calendar above for exact timing.

What planting zone is Pratt County, KS?

Pratt County, Kansas is in USDA Hardiness Zone 6b. The average last spring frost is April 15 and first fall frost is October 24.

When should I plant Hyacinths in Pratt County, KS?

In Pratt County, KS, plant Hyacinths after the last frost (around April 15) and before the first frost (around October 24). Best results when soil holds above 50°F.

What growing zone is Pratt County, KS for Hyacinths?

Pratt County sits in USDA Zone 6b. Hyacinths grows reliably in zones 3a through 9b, so it's a good fit here.

Can Hyacinths grow in Pratt County's climate?

Yes — Hyacinths grows well in Pratt County's temperate climate. Pratt County averages a 192-day frost-free season, with last frost around April 15 and first frost around October 24.

🌱

Your Pratt County Garden Planner — Free

A 22-page printable planner built for Pratt County (Zone 6b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.

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Data sources: USDA Plant Hardiness Zone Map (2023), NOAA 30-Year Climate Normals. Frost dates are based on 50% probability averages for Pratt County, KS. Local conditions may vary. Last updated: June 2026.

Sources & credits

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