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When to plant Lilies in Apache County, AZ

In Apache County, Lilies is a spring-only crop. Plant May 27–June 10 once soil hits 50°F.

When to Plant Lilies in Apache County, AZ

Apache County, Arizona Zone 6b August

August in the garden — Apache County, Arizona

August rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Apache County, Arizona.

Avg. last frost May 20
Avg. first frost October 10
Soil temp (4") 56°F
Watering High
Pest pressure High
Daylight 13.3 hrs
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Lilies (Lilium spp.) are among the most impressive summer-blooming bulbs, delivering bold, upward- or outward-facing trumpet blooms on tall stems from June through August. Asiatic hybrids are the most cold-hardy, earliest to bloom, and easiest to grow; Oriental hybrids bloom later with intensely fragrant, larger flowers. Orienpet (OT) hybrids combine the hardiness of Asiatics with the fragrance and size of Orientals. True lilies (not to be confused with daylilies, which are Hemerocallis) form scaly bulbs that persist and multiply underground, returning reliably each year with increasingly large clumps.

Apache County, Arizona is in USDA Zone 6b. The average last spring frost is May 20 and the first fall frost is October 10, giving you a growing season of approximately 143 days.

At an elevation of 7,720 feet, Apache County receives approximately 9.4 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 92°F, providing good warmth for Lilies during the growing season. Sandy soil warms quickly in spring — great for early planting — but Lilies will need more frequent watering and organic matter to retain nutrients. With low rainfall, drip irrigation is essential for growing Lilies successfully. Mulch heavily to conserve soil moisture.

Perennial Blooms in Summer Pollinator-friendly Good for cutting Fragrant
Apache County, AZ (Zone 6b) Short season
143 days
Last Spring Frost May 20
143 growing days
First Fall Frost October 10

Apache County Soil Profile

Soil Type

Sandy Loam

Soil pH

7.2-8.7

Drainage

Well Drained

Lilies Planting Risk Windows

Early Start (70% safe) ✗ May not fit
Transplant: May 16 🌸 Bloom: Jul 25 – Oct 31
Recommended (50%) ✗ May not fit
Transplant: May 27 🌸 Bloom: Aug 5 – Nov 11
Safe Start (90%) ✗ May not fit
Transplant: Jun 15 🌸 Bloom: Aug 24 – Nov 30

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 Apache County

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

Soil pH

Your soil pH (7.2–8.7) is more alkaline than Lilies prefers (6.0–6.5). Add sulfur or peat moss to lower pH.

Soil Texture

Sandy soil in Apache County warms quickly in spring but drains fast. Lilies will need more frequent watering and regular compost additions to retain nutrients.

Drainage

Drainage is adequate for Lilies.

Organic Matter

Organic matter is low (0.8%). Add 2-3 inches of compost before planting Lilies.

How to Plant Lilies

5"
Planting Depth
12"
Between Plants
18"
Between Rows

Succession Planting Lilies

2
successive plantings in your 143-day season

Sow every 8 weeks. Last sowing by Jun 12 to harvest before frost.

Lilies Water Budget

Plant needs
1.0″/week
Rainfall provides
0.3″/week
You supply
1.2″/week
Watering frequency 2-3 times/week
Season total 1,564 gal / 100 sq ft
Drought risk

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

Monthly Watering Guide for Lilies

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

Month Lilies Needs Rainfall You Supplement Action
Jan 0.7" 0" ❄️ Dormant
Feb 0.5" 0" ❄️ Dormant
Mar 0.6" 0" ❄️ Dormant
Apr 0.3" 0" ❄️ Dormant
May 4.3" 0.2" 4.1" 🚿 Regular watering
Jun 4.3" 0.3" 4" 🚿 Regular watering
Jul 4.3" 1.7" 2.6" 🚿 Regular watering
Aug 4.3" 2" 2.3" 🚿 Regular watering
Sep 4.3" 1.2" 3.1" 🚿 Regular watering
Oct 4.3" 0.8" 3.5" 🚿 Regular watering
Nov 0.6" 0" ❄️ Dormant
Dec 0.6" 0" ❄️ Dormant

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

Lilies 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.

Lilies needs ~1,805 GDD — county provides 2,717 GDD Excellent fit

Lilies Planting Timeline — Apache County, AZ

Lilies Planting Calendar

Activity When Date Range
Transplant Outdoors May 27 May 27 – Jun 10
Bloom August 5 Aug 5 – Nov 11

Plant 5" deep · 12" apart · Rows 18" apart

Month-by-Month Timeline

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

Growing Conditions

☀️ Sun

Full Sun (6-8+ hours)

💧 Water

1"/week · 2-3 times/week

📅 Days to Maturity

70–120 days

🧪 Soil pH

Needs 6–6.5 · Your soil: too_alkaline

🗺️ USDA Zone

Zone 6b

📆 Growing Season

143 days in Apache County

Growing Tips for Lilies in Apache County

Direct sow Lilies outdoors after May 20 in Apache County when soil has warmed and frost danger has passed.

Sandy soil in Apache County dries quickly — mulch Lilies with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.

Apache County receives only 9" of rain annually. Lilies needs consistent moisture — install drip irrigation or water deeply 2-3 times per week.

General growing tips

Plant bulbs in fall (preferred, September–October) or spring, setting them 3 times their diameter deep (typically 4–6 inches) with the pointed end up. Lilies need excellent drainage — they will rot in wet or heavy clay soils. Site with full sun on stems and blooms but cool, shaded soil at the base (ground cover or shallow-rooted annuals at their feet is ideal). Remove spent blooms but leave stems and foliage until they yellow naturally, as the bulb needs the foliage to photosynthesize and rebuild energy stores. Red lily beetle is a serious pest in the Northeast and Pacific Northwest; inspect plants regularly and hand-pick adults and larvae. Never plant Oriental or Asiatic lilies near cats — all Lilium species are highly toxic to cats. Year 2+ bulbs produce the most stems and largest blooms.

Companion Planting

Good Companions

Check more plant combinations with our Companion Planting Checker →

Frequently Asked Questions

When should I plant Lilies in Apache County, AZ?

Apache County is in Zone 6b with an average last frost of May 20. Plan your Lilies planting based on this frost date — see the calendar above for exact timing.

What planting zone is Apache County, AZ?

Apache County, Arizona is in USDA Hardiness Zone 6b. The average last spring frost is May 20 and first fall frost is October 10.

When should I plant Lilies in Apache County, AZ?

In Apache County, AZ, plant Lilies after the last frost (around May 20) and before the first frost (around October 10). Best results when soil holds above 50°F.

What growing zone is Apache County, AZ for Lilies?

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

Can Lilies grow in Apache County's climate?

Yes — Lilies grows well in Apache County's temperate climate. Apache County averages a 143-day frost-free season, with last frost around May 20 and first frost around October 10.

🌱

Your Apache County Garden Planner — Free

A 22-page printable planner built for Apache 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 Apache County, AZ. Local conditions may vary. Last updated: August 2026.

Sources & credits

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