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When to plant Begonias in Rush County County,

Rush County County's short 174-day growing season means one Begonias planting between May 1 and May 15. No fall crop in Zone 6b.

When to Plant Begonias in Rush County, KS

Rush County, Kansas Zone 6b June

June in the garden — Rush County, Kansas

June rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Rush County, Kansas.

Avg. last frost April 24
Avg. first frost October 15
Soil temp (4") 74°F
Watering Moderate
Pest pressure High
Daylight 14.7 hrs
July will be here before you know it — start on
  • Starting indoors: begonias
  • First harvests: begonias

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Wax begonias (Begonia × semperflorens) are the workhorse shade bedding plant of American horticulture, offering continuous bloom from transplant to hard frost. Bronze or green-leaved varieties perform well from deep shade to full sun (in northern zones) and tolerate summer humidity better than most cool- season flowers. A staple of mass plantings, containers, and window boxes.

Rush County, Kansas is in USDA Zone 6b. The average last spring frost is April 24 and the first fall frost is October 15, giving you a growing season of approximately 174 days.

At an elevation of 759 feet, Rush County receives approximately 21.7 inches of rainfall annually with predominantly loam soil. Summer highs average 86°F, providing good warmth for Begonias during the growing season.

Annual Blooms in Multi-season Pollinator-friendly Deer-resistant
Rush County, KS (Zone 6b) Moderate season
174 days
Last Spring Frost April 24
174 growing days
First Fall Frost October 15
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Rush County Soil Profile

Soil Type

Loam

Soil pH

6.4-7.3

Drainage

Well Drained

Begonias Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Start indoors: Feb 6 Transplant: Apr 24 🌸 Bloom: Jul 3 – Oct 9
Recommended (50%) ✗ May not fit
Start indoors: Feb 13 Transplant: May 1 🌸 Bloom: Jul 10 – Oct 16
Safe Start (90%) ✗ May not fit
Start indoors: Mar 2 Transplant: May 18 🌸 Bloom: Jul 27 – Nov 2

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 Rush County

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

Soil pH

Your soil pH (6.4–7.3) is more alkaline than Begonias prefers (5.5–6.5). Add sulfur or peat moss to lower pH.

Soil Texture

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

Organic Matter

Organic matter is moderate (3.4%). Annual compost additions will help Begonias.

How to Plant Begonias

8"
Between Plants
10"
Between Rows

Succession Planting Begonias

2
successive plantings in your 174-day season

Sow every 8 weeks. Last sowing by Jul 17 to harvest before frost.

Begonias Water Budget

Plant needs
1.0″/week
Rainfall provides
0.5″/week
You supply
0.6″/week
Watering frequency 1-2 times/week
Season total 885 gal / 100 sq ft
Drought risk

Water stress score is 10/10 — consider drought-tolerant varieties and mulching

Monthly Watering Guide for Begonias

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

Month Begonias Needs Rainfall You Supplement Action
Jan 0.5" 0" ❄️ Dormant
Feb 0.8" 0" ❄️ Dormant
Mar 1.3" 0" ❄️ Dormant
Apr 4.3" 2.1" 2.2" 🚿 Regular watering
May 4.3" 3.4" 0.9" 💧 Light watering
Jun 4.3" 3.4" 0.9" 💧 Light watering
Jul 4.3" 2.9" 1.4" 💧 Light watering
Aug 4.3" 2.6" 1.7" 💧 Light watering
Sep 4.3" 2.1" 2.2" 🚿 Regular watering
Oct 4.3" 1.5" 2.8" 🚿 Regular watering
Nov 0.7" 0" ❄️ Dormant
Dec 0.6" 0" ❄️ Dormant

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

Begonias 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.

Begonias needs ~1,160 GDD — county provides 2,523 GDD Excellent fit

Begonias Planting Timeline — Rush County, KS

Begonias Planting Calendar

Activity When Date Range
Start Indoors February 13 Feb 13 – Feb 27
Transplant Outdoors May 1 May 1 – May 15
Bloom July 10 Jul 10 – Oct 16

· 8" apart · Rows 10" apart

Month-by-Month Timeline

MonthActivities
January
February Start Indoors
March
April
May Transplant Outdoors
June
July Bloom
August Bloom
September Bloom
October Bloom
November
December
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Growing Conditions

☀️ Sun

Partial Shade (3-6 hours)

💧 Water

1"/week · 1-2 times/week

📅 Days to Maturity

70–90 days

🧪 Soil pH

Needs 5.5–6.5 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 6b

📆 Growing Season

174 days in Rush County

Growing Tips for Begonias in Rush County

Direct sow Begonias outdoors after April 24 in Rush County when soil has warmed and frost danger has passed.

Rush County receives only 22" of rain annually. Begonias needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

Start seeds indoors 10–12 weeks before last frost — seed is dust-fine; surface-sow on moist mix under lights, do not cover. Bottom heat (70–75°F) speeds germination. Transplant after frost; begonias are not direct-sown in practice. Pinch seedlings once for branching. Keep soil evenly moist; avoid waterlogged conditions. Bronze-leaf types tolerate more sun; green- leaf types prefer shade to part-sun.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Begonias in Rush County, KS?

Rush County is in Zone 6b with an average last frost of April 24. Plan your Begonias planting based on this frost date — see the calendar above for exact timing.

What planting zone is Rush County, KS?

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

When should I plant Begonias in Rush County County, ?

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

What growing zone is Rush County County, for Begonias?

Rush County County sits in USDA Zone 6b. Begonias grows reliably in zones 2a through 11b, so it's a good fit here.

Can Begonias grow in Rush County County's climate?

Yes — Begonias grows well in Rush County County's temperate climate. Rush County County averages a 174-day frost-free season, with last frost around April 24 and first frost around October 15.

🌱

Your Rush County Garden Planner — Free

A 22-page printable planner built for Rush 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 Rush County, KS. Local conditions may vary. Last updated: June 2026.

Sources & credits

Every number on this page traces back to a primary horticulture or government data source. Click through to verify.