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When to plant Crocus in Holt County County,

Holt County County sits in USDA Zone 6a. Plant Crocus between mid-spring (after last frost on April 21) and late spring. A second sowing from September 3 to September 17 extends the harvest into fall.

When to Plant Crocus in Holt County, MO

Crocuses (Crocus spp.) are the heralds of spring — small, gem-like blooms that push up through frozen ground or even snow, often weeks before any other flower. Their compact corms naturalize readily in lawns, rock gardens, and borders, creating drifts of purple, white, and yellow that expand year after year. Bees prize early crocus as one of their first nectar and pollen sources of the season. The saffron crocus (C. sativus) blooms in fall and yields the world's most expensive spice.

Holt County, Missouri is in USDA Zone 6a. The average last spring frost is April 21 and the first fall frost is October 15, giving you a growing season of approximately 177 days.

At an elevation of 819 feet, Holt County receives approximately 39.7 inches of rainfall annually with predominantly silt loam soil. Summer highs average 84°F, so choose short-season varieties of Crocus to ensure they mature before fall.

Bulb Blooms in Spring Pollinator-friendly Fragrant
Holt County, MO (Zone 6a) Moderate season
177 days
Last Spring Frost April 21
177 growing days
First Fall Frost October 15

Holt County Soil Profile

Soil Type

Silt Loam

Soil pH

5.5-7.1

Drainage

Well Drained

Monthly Watering Guide for Crocus

Crocus needs approximately 1 inches of water per week (4.3" per month). Here's how your county's rainfall compares month by month.

Month Crocus Needs Rainfall You Supplement Action
Jan 1.6" 0" ❄️ Dormant
Feb 1.7" 0" ❄️ Dormant
Mar 2.8" 0" ❄️ Dormant
Apr 4.3" 3.7" 0.6" 💧 Light watering
May 4.3" 5" 0" ✅ Rainfall sufficient
Jun 4.3" 4.5" 0" ✅ Rainfall sufficient
Jul 4.3" 4.4" 0" ✅ Rainfall sufficient
Aug 4.3" 4.1" 0.2" 💧 Light watering
Sep 4.3" 3.1" 1.2" 💧 Light watering
Oct 4.3" 3.5" 0.8" 💧 Light watering
Nov 3.1" 0" ❄️ Dormant
Dec 2" 0" ❄️ Dormant

Water needs are for active growing months only (Apr–Oct in Holt County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.

Crocus Planting Timeline — Holt County, MO

Crocus Planting Calendar

Activity When Date Range
Bloom July 23 Jul 23 – Aug 13
Fall Sowing September 3 Sep 3 – Sep 17

Plant 4" deep · 3" apart · Rows 4" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

Low — drought tolerant

📅 Days to Maturity

10–20 days

🧪 Soil pH

Needs 6–7 · Your soil: N/A

🗺️ USDA Zone

Zone 6a

📆 Growing Season

177 days in Holt County

Growing Tips for Holt County

Plant corms 3–4 inches deep and 2–3 inches apart in fall, when soil temperature drops below 60°F. Mass plantings (at least 25 corms per cluster) create the most visual impact. Plant in well-drained soil — corms rot in standing water. Crocus naturalize well under deciduous trees; the tree leafs out after crocus dormancy begins, so light competition is minimal. Squirrels and chipmunks dig corms — plant deeper (4 inches) or use wire mesh baskets in high-predation areas. Allow foliage to die back naturally before mowing lawns. In zones 8a–8b, plant in December with pre-chilled corms for best results.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Crocus in Holt County, MO?

Holt County is in Zone 6a with an average last frost of April 21. Plan your Crocus planting based on this frost date — see the calendar above for exact timing.

What planting zone is Holt County, MO?

Holt County, Missouri is in USDA Hardiness Zone 6a. The average last spring frost is April 21 and first fall frost is October 15.

When should I plant Crocus in Holt County County, ?

In Holt County County, , plant Crocus after the last frost (around April 21) and before the first frost (around October 15). Best results when soil holds above 50°F.

What growing zone is Holt County County, for Crocus?

Holt County County sits in USDA Zone 6a. Crocus grows reliably in zones 3a through 8b, so it's a good fit here.

Can Crocus grow in Holt County County's climate?

Yes — Crocus grows well in Holt County County's temperate climate. Holt County County averages a 177-day frost-free season, with last frost around April 21 and first frost around October 15.

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Your Holt County Garden Planner — Free

A 22-page printable planner built for Holt County (Zone 6a). 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 Holt County, MO. Local conditions may vary. Last updated: June 2026.

Sources & credits

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