When to Plant Lemon Balm in Del Norte County, CA
What to do in April
April rewards gardeners who work with the weather, not against it. Here's how to stay in step this month in Del Norte County, California.
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Harden off and plant lemon balm
Your last frost (March 27) has passed. These warm-season crops can handle outdoor soil now.
Lemon balm is a vigorous perennial herb with bright green, lemon-scented leaves. It makes a refreshing tea and is easy to grow but can spread aggressively.
Del Norte County, California is in USDA Zone 8b. The average last spring frost is March 27 and the first fall frost is November 20, giving you a growing season of approximately 238 days.
At an elevation of 72 feet, Del Norte County receives approximately 43.8 inches of rainfall annually with predominantly sandy loam soil. Summer highs average 89°F, providing good warmth for Lemon Balm during the growing season. Sandy soil warms quickly in spring — great for early planting — but Lemon Balm will need more frequent watering and organic matter to retain nutrients.
Del Norte County Soil Profile
Soil Type
Sandy Loam
Soil pH
5.9-7
Drainage
Well Drained
Plant 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 Del Norte County
How your county's soil matches Lemon Balm's growing requirements.
Soil pH
Your soil pH (5.9–7.0) is within Lemon Balm's preferred range (5.5–7.5).
Soil Texture
Sandy soil in Del Norte County warms quickly in spring but drains fast. Lemon Balm will need more frequent watering and regular compost additions to retain nutrients.
Organic Matter
Organic matter is moderate (2.7%). Annual compost additions will help Lemon Balm.
How to Plant Lemon Balm
Succession Planting Lemon Balm
Sow every 6.9 weeks. Last sowing by Sep 11 to harvest before frost.
Plant Water Budget
Monthly Watering Guide for Lemon Balm
Lemon Balm 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 | Lemon Balm Needs | Rainfall | You Supplement | Action |
|---|---|---|---|---|
| Jan | — | 8.3" | 0" | ❄️ Dormant |
| Feb | — | 9.9" | 0" | ❄️ Dormant |
| Mar | 2.2" | 5.8" | 0" | ✅ Rainfall sufficient |
| Apr | 2.2" | 3.5" | 0" | ✅ Rainfall sufficient |
| May | 2.2" | 1.1" | 1.1" | 🚿 Regular watering |
| Jun | 2.2" | 0.3" | 1.9" | 🚿 Regular watering |
| Jul | 2.2" | 0" | 2.2" | 🚿 Regular watering |
| Aug | 2.2" | 0" | 2.2" | 🚿 Regular watering |
| Sep | 2.2" | 0.4" | 1.8" | 🚿 Regular watering |
| Oct | 2.2" | 1.9" | 0.3" | 💧 Light watering |
| Nov | 2.2" | 4.7" | 0" | ✅ Rainfall sufficient |
| Dec | — | 7.9" | 0" | ❄️ Dormant |
Water needs are for active growing months only (Mar–Nov in Del Norte County). Supplement amounts are based on average rainfall — actual needs vary with temperature, soil, and mulching.
Lemon Balm 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.
Lemon Balm Planting Timeline — Del Norte County, CA
Lemon Balm Planting Calendar
| Activity | When | Date Range |
|---|---|---|
| Transplant Outdoors | April 3 | Apr 3 – Apr 17 |
| Harvest | June 5 | Jun 5 – Jul 24 |
Plant 0.5" deep · 8" apart · Rows 12" apart
Month-by-Month Timeline
| Month | Activities |
|---|---|
| January | — |
| February | — |
| March | — |
| April | Transplant Outdoors |
| May | — |
| June | Harvest |
| July | Harvest |
| August | — |
| September | — |
| October | — |
| November | — |
| December | — |
Growing Conditions
☀️ Sun
Partial Shade (3-6 hours)
💧 Water
0.5"/week · Natural rainfall sufficient
📅 Days to Maturity
60–70 days
🧪 Soil pH
Needs 5.5–7.5 · Your soil: ideal
🗺️ USDA Zone
Zone 8b
📆 Growing Season
238 days in Del Norte County
Growing Tips for Lemon Balm in Del Norte County
Direct sow Lemon Balm outdoors after March 27 in Del Norte County when soil has warmed and frost danger has passed.
Sandy soil in Del Norte County dries quickly — mulch Lemon Balm with 2-3 inches of straw and water deeply 2-3 times per week rather than lightly every day.
General growing tips
Start from seed, cuttings, or divisions. Contain in pots or use barriers to prevent spreading. Harvest frequently to keep plants bushy and prevent flowering.
Companion Planting
Good Companions
Check more plant combinations with our Companion Planting Checker →
Lemon Balm in Other Locations
Frequently Asked Questions
When should I plant Lemon Balm in Del Norte County, CA?
Del Norte County is in Zone 8b with an average last frost of March 27. Plan your Lemon Balm planting based on this frost date — see the calendar above for exact timing.
What planting zone is Del Norte County, CA?
Del Norte County, California is in USDA Hardiness Zone 8b. The average last spring frost is March 27 and first fall frost is November 20.
Your Del Norte County Garden Planner — Free
A 24-page printable planner built for Del Norte County (Zone 8b). Planting dates, a month-by-month schedule, harvest log, seed inventory, and succession charts — all dialed in for your exact growing season.