Viola, ID — Planting Guide for June
Free PDF, personalized for your town's frost dates & climate. Drop your email — we'll send the link.
June in Latah County, Idaho — your action list
Your Latah County, Idaho garden is entering a new phase. Here's what's on the schedule for June and why each task matters now.
-
Move alpine strawberries, aronia, and blackberries into the garden
Your last frost (May 11) has passed. These warm-season crops can handle outdoor soil now.
-
Indoor seed-starting week for basil, cucumber, and kale
A seed-starting mix and a sunny window (or a grow light) are all you need. Keep soil warm — around 70°F — for fast germination.
-
Basket week: carrots, lettuce, and radish
Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.
To set up a strong July, finish these tasks
- Starting indoors: peppers, pole beans, and tomatoes
- First harvests: basil, carrots, and cucumber
- Fall sowing: carrots, kale, and lettuce
Viola gardens in a maritime climate — mild wet winters, cool dry summers (35" annual rainfall, most of it October to April). Cool-season crops like peas, lettuce, kale, and brassicas thrive almost year-round. The challenge is summer heat: long-season warm-weather crops (full-size tomatoes, peppers, melons) need every bit of summer sun, so prioritize short-season varieties, use dark mulches to warm the soil, and reserve your warmest microclimates (south-facing walls, near pavement) for the tender stuff.
Soils trend Loam — the gold standard for vegetables. Add 2–3" of compost annually to maintain it and you'll outgrow most of your neighbors.
Viola averages 26.0 drought weeks per year (US Drought Monitor, 2000–present, trend stable). Treat irrigation as a year-round system, not a summer add-on.
🌡️ USDA Zone
6b (-5°F to 0°F min)
❄️ Avg. Last Frost
May 11
🍂 Avg. First Frost
September 23
📅 Growing Season
135 days
🌧️ Climate
Moderate 34.5" annual
💨 Wind
Moderate 7.4 mph avg
🥶 Frost Tier
Regular 0% frost-free years
🏜️ Drought
26.0 wk/yr trend stable
📍 ZIP Codes
1 ZIP
Monthly Watering Calendar for Viola
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
Quick context: Most vegetables want about 1 inch of water per week. Viola gets 35" a year — months that hit that 1"/week need zero supplemental watering; months that fall short, the table tells you how much to add. Saves you from drowning roots and from drought-stressing plants into bolting.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 1.1 in | 6 days | — | None |
| Feb | 0.7 in | 6 days | — | None |
| Mar | 1.3 in | 8 days | — | None |
| Apr | 1.3 in | 7 days | 3 in | High |
| May | 1.6 in | 7 days | 2.7 in | High |
| Jun | 1 in | 4 days | 3.3 in | Critical |
| Jul | 1.4 in | 6 days | 2.9 in | High |
| Aug | 1.7 in | 7 days | 2.6 in | High |
| Sep | 1.3 in | 6 days | 3 in | High |
| Oct | 1.3 in | 5 days | 3 in | High |
| Nov | 1 in | 6 days | — | None |
| Dec | 1 in | 6 days | — | None |
Annual total: 14.7 in. Water needs vary by crop — tomatoes need ~1.2"/week while herbs like rosemary need only 0.3"/week. Check individual plant pages for crop-specific water budgets that factor in your county's rainfall and soil drainage.
Viola Soil Profile
Soil Type
Loam
Soil pH
6.7-8
Drainage
Well Drained
Frost Risk Probability
Based on 31 years of NOAA weather station data from 3 stations
Beginners: Plant frost-sensitive crops (tomatoes, peppers, squash) after the "Safe" date on the left. Harvest or cover them before the "Protect by" date on the right. Hardy crops (lettuce, peas, kale) can go in the yellow transition zones.
How to read this table: "Conservative" means you're safe from frost 9 out of 10 years — best for beginners and frost-sensitive crops. "Average year" is the typical date. "Aggressive" means only 1 in 10 years is that warm — experienced gardeners with frost protection can try these dates.
| Planting Strategy | Last Spring Frost | First Fall Frost | Frost-Free Days |
|---|---|---|---|
| Conservative (safest) | Jun 5 | Oct 15 | 132 days |
| Cautious | May 15 | Oct 3 | 141 days |
| Average year | May 11 | Sep 23 | 135 days |
| Optimistic | May 4 | Sep 16 | 135 days |
| Aggressive (risky) | Apr 22 | Sep 7 | 138 days |
Not very — frost dates can vary by ±44 days year-to-year. Use the "Conservative" row in the table below, and keep row covers handy for surprise late frosts.
Slightly — seasons are trending a bit longer (0.4 days/decade). Historical frost dates are still reliable for planning.
Gardening Difficulty Score
Latah County presents some gardening challenges. Choose adapted varieties and plan around frost dates.
Local Gardening Help in Latah County
Free expert help is closer than you think. Your county's cooperative extension office connects you with trained gardeners, soil testing labs, and local programs — all specific to Latah County's climate and soil.
County Extension Office
Latah County University of Idaho Extension Extension Office
Phone: 208-885-6681
Visit Extension Office Website →
Extension offices are run by land-grant universities and funded by the USDA. Their advice is free, research-based, and tailored to your county's specific conditions.
Master Gardener Program
Free gardening help from trained volunteers
Master Gardeners are community volunteers who complete 40–60 hours of university horticultural training. They answer gardening questions, diagnose plant problems, and offer workshops — all free.
Many extension offices run a Master Gardener hotline where you can call or email with photos of plant problems for free diagnosis.
Soil Testing
Available through your extension office
Before amending your soil, get it tested. Your extension office offers soil testing (typically $10–$25) that tells you exact pH, nutrient levels, and amendment recommendations specific to what you want to grow.
Services Available in Latah County
Finding local nurseries & garden centers in Latah County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Latah County's soil and climate that big-box stores can't. Plants from local growers are typically hardier because they're already acclimated to your zone.
How to Find Them
Search for "nurseries near Latah County ID" or "garden center Latah County" on Google Maps. Also check with your extension office — they often maintain lists of reputable local nurseries and plant sales.
Community gardens & gardening groups
Community gardens are a great way to learn from experienced gardeners in your area, especially if you're limited on space. Search "community garden Latah County ID" or check your extension office and local parks department. Facebook groups like "Latah County Gardeners" or "Idaho Gardening" are also excellent for local advice and plant swaps.
What to Plant After Your Harvest
After your first crops finish, use the remaining frost-free days to grow a second round.
Show 6 more succession options
Sunlight & Day Length in Viola
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
Quick context: Onions are a great example of why day length matters. They "bulb up" only when daylight hits a specific number of hours — plant the wrong variety (short-day in the north, long-day in the south) and you'll get tiny bulbs no matter how well you grow them. Viola's latitude determines which onion varieties succeed.
Longest Day
15.6 hours
Summer solstice daylight
Shortest Day
8.4 hours
Winter solstice daylight
Peak Sun Hours
11.7 hr/day peak (summer)
Peak sun hours (green dashed line below) account for cloud cover — this is the usable direct sunlight your garden actually receives. Most vegetables need 6+ peak sun hours.
Onion tip: Your long summer days (14+ hours) support long-day onion varieties like Walla Walla, Sweet Spanish, and Ailsa Craig.
View detailed monthly data
| Month | Daylight Hours | Peak Sun Hours | Day Length |
|---|---|---|---|
| January | 8.7 hr | 4.9 hr | Short day |
| February | 10.1 hr | 5.9 hr | Short day |
| March | 11.6 hr | 6.6 hr | Short day |
| April | 13.4 hr | 7.9 hr | Neutral |
| May | 14.8 hr | 9.2 hr | Long day |
| June | 15.6 hr | 11.7 hr | Long day |
| July | 15.3 hr | 10.3 hr | Long day |
| August | 14 hr | 9.3 hr | Long day |
| September | 12.3 hr | 8.5 hr | Neutral |
| October | 10.6 hr | 6.6 hr | Short day |
| November | 9.1 hr | 5.3 hr | Short day |
| December | 8.4 hr | 4.4 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Viola
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
Why it matters: Air temperature lies. Your air can be 70°F in April but the soil 4 inches down is still 50°F — too cold for tomatoes or peppers to root properly. Viola's soil temperature curve tells you the real planting window. A $5 soil thermometer pays for itself in one season.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from Jul through Aug.
Best Month to Compost
Jun
Microbial activity peaks when soil is warm.
Active Composting
4 months
Short season — insulate pile or use indoor vermicomposting.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 8°F | 15°F | ❄️ Dormant | ~36 weeks |
| Feb | 5°F | 14°F | ❄️ Dormant | ~36 weeks |
| Mar | 15°F | 19°F | ❄️ Dormant | ~36 weeks |
| Apr | 27°F | 27°F | ❄️ Dormant | ~36 weeks |
| May | 41°F | 37°F | 🐢 Slow | ~24 weeks |
| Jun | 53°F | 46°F | ♻️ Active | ~14 weeks |
| Jul | 62°F | 55°F | ♻️ Active | ~14 weeks |
| Aug | 63°F | 58°F | ♻️ Active | ~14 weeks |
| Sep | 55°F | 54°F | ♻️ Active | ~14 weeks |
| Oct | 40°F | 43°F | 🐢 Slow | ~24 weeks |
| Nov | 27°F | 33°F | ❄️ Dormant | ~36 weeks |
| Dec | 15°F | 20°F | ❄️ Dormant | ~36 weeks |
Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.
Pest & Disease Pressure in Viola
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
The practical takeaway: In Viola's climate, pest pressure shapes which crops are easy and which are heartbreak. Tomatoes are easy in dry mountain air, hard in humid coast — same plant, completely different gardening experience.
Insect Pest Pressure
Moderate — common pests appear but manageable with monitoring.
Disease Risk
Low disease risk — dry conditions reduce fungal problems.
Seasonal Risk
View 5 common pests in your area
| Pest | Risk Level | Peak Months |
|---|---|---|
| Aphids | Moderate | May, Jun, Jul, Aug |
| Japanese beetles | Moderate | Jun, Jul, Aug |
| Squash bugs | Moderate | Jun, Jul, Aug |
| Tomato hornworms | Moderate | Jul, Aug |
| Cabbage loopers | Low | May, Jun, Jul, Aug |
Organic pest management tips
- Maintain healthy soil with regular compost additions to build natural pest resistance
- Practice crop rotation annually to break pest cycles
- Encourage beneficial insects with flowering herbs like dill, fennel, and yarrow
Cover Crops for Viola
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
Quick context: Why not just leave bare soil? Weed seeds, erosion, nutrient leaching, and crust formation. A cover crop solves all of these for the cost of seeds and one mowing.
Spring Cover Crops (3 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | May 18 | Jul 15 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Sorghum-sudan grass | May 20 | Jul 22 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Apr 13 | Jul 22 | ✓ Yes | Living mulch, fixes nitrogen, permanent ground cover |
Summer Cover Crops (1 options) — Fill gaps and suppress weeds between plantings
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Sunflowers | May 26 | Sep 2 | — | Deep roots break compaction, attract pollinators and beneficial insects |
Fall Cover Crops (6 options) — Plant after harvest to protect soil over winter
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Austrian winter peas | Jul 25 | Apr 20 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Daikon radish | Jul 27 | Apr 27 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Jul 12 | Apr 20 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Aug 23 | Apr 27 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Jun 20 | Apr 20 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Jun 21 | Apr 27 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Viola
For new gardeners: Wind is the silent water thief. Every breeze pulls moisture from leaves and soil. Viola's 7.4 mph average is one piece of the watering math: rainfall + irrigation must exceed evaporation + transpiration, and wind boosts both losses.
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 16 mph Summer: 11 mph
Fall: 11 mph Winter: 15 mph
Prevailing wind: W. Windy area — plant a windbreak hedge on the W side of your garden.
Windbreak Benefit
7/10
Strongly recommended — a windbreak (fence, hedge, or row of tall crops like corn or sunflowers) will significantly improve garden yields.
Frost Pocket Risk
High
Hilly terrain with 2,749 ft of elevation range — cold air pools in low spots. Avoid planting frost-sensitive crops in valleys.
Rainwater Harvesting in Viola
How much water you can collect, when to collect it, and what size system you need for your garden.
Why this matters: Most gardens use 0.5-1 gallon per square foot per week in summer. Viola's 35" annual rainfall is enough to cover most needs if you can capture it. Rain barrels under downspouts are the simplest entry point.
Annual Collection
7,326 gal
Per 1,000 sq ft of roof area (at 80% collection efficiency)
Recommended Setup
8 rain barrels (55 gal each)
For a typical 500 sq ft garden. Serious collectors: consider a 1,000 gal tank.
Legal Status
Unrestricted
Rainwater harvesting is fully legal in your state with no restrictions.
Best Collection Months
Mar, May, Jul, Aug
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
Feb
Dry months when you'll rely on stored water — size your storage for this gap.
Rainwater collection tips for your area
- Your county receives approximately 14.7 inches of rain per year
- A 1,000 sq ft roof can collect roughly 7,326 gallons annually
- Rainwater harvesting is fully legal in your state
- In your dry climate, every drop counts — consider a larger cistern system
- Position collection tanks in shade to reduce evaporation and algae growth
🥬 Vegetables to Grow in Viola
107 vegetables matched to Zone 6b with planting dates calibrated for Viola.
Show all 107 vegetables with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Apr 6 | May 18 | May 25 | — | Aug 17 – Sep 21 | 80–100 |
| Amaranth | Mar 16 | May 18 | May 25 | — | Aug 24 – Oct 12 | 90–120 |
| Arugula | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 15 – Aug 17 | 30–50 |
| Asparagus | — | — | May 25 | — | — | 730–1095 |
| Beets | — | Apr 27 | — | Jul 15 | Jun 22 – Jul 20 | 50–70 |
| Belgian Endive | Apr 6 | Apr 27 | May 11 | Jul 15 | Aug 31 – Oct 26 | 110–150 |
| Bitter Melon | Mar 16 | May 18 | May 25 | — | Jul 27 – Sep 7 | 60–90 |
| Black Beans | — | May 18 | — | — | Aug 17 – Oct 5 | 90–120 |
| Bok Choy | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 22 – Jul 27 | 40–60 |
| Broccoli | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 13 – Aug 24 | 60–90 |
| Broccoli Rabe | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 22 – Jul 27 | 40–60 |
| Brussels Sprouts | Apr 6 | Apr 27 | May 11 | Jul 15 | Aug 10 – Oct 5 | 90–130 |
| Butternut Squash | Apr 6 | May 18 | May 25 | — | Aug 24 – Sep 28 | 85–110 |
| Cabbage | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 13 – Sep 7 | 60–100 |
| Calabash | Mar 16 | May 18 | May 25 | — | Aug 17 – Oct 12 | 80–120 |
| Carrots | — | Apr 27 | — | Jul 15 | Jun 29 – Aug 3 | 60–80 |
| Cauliflower | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 6 – Sep 7 | 55–100 |
| Celeriac | Apr 6 | Apr 27 | May 11 | Jul 15 | Aug 24 – Sep 28 | 100–120 |
| Celery | Apr 6 | Apr 27 | May 11 | Jul 15 | Aug 3 – Sep 28 | 80–120 |
| Celtuce | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 13 – Aug 24 | 60–90 |
| Chard | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 6 – Aug 24 | 50–60 |
| Chickpeas | Apr 6 | Apr 27 | May 11 | Jul 15 | Aug 3 – Sep 14 | 80–110 |
| Chicory | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 13 – Aug 24 | 60–85 |
| Chinese Cabbage | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 6 – Aug 3 | 50–70 |
| Christmas Lima Beans | Mar 16 | May 18 | May 25 | — | Aug 17 – Sep 21 | 80–100 |
| Collard Greens | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 6 – Sep 7 | 55–75 |
| Corn | — | May 18 | — | — | Jul 20 – Sep 14 | 60–100 |
| Cowpeas | — | May 18 | — | — | Jul 20 – Aug 31 | 60–90 |
| Cress | Apr 6 | Apr 27 | May 11 | Jul 15 | May 25 – Jun 15 | 14–21 |
| Crookneck Squash | Apr 6 | May 18 | May 25 | — | Jul 13 – Aug 10 | 45–60 |
| Crosne | — | Apr 27 | — | Jul 15 | Sep 28 – Nov 9 | 150–200 |
| Cucumber | Apr 6 | May 18 | May 25 | — | Jul 20 – Sep 14 | 50–70 |
| Daikon | — | Apr 27 | — | Jul 15 | Jun 22 – Jul 20 | 50–70 |
| Delicata Squash | Apr 6 | May 18 | May 25 | — | Aug 17 – Sep 21 | 80–100 |
| Edamame | — | May 18 | — | — | Aug 3 – Sep 14 | 75–100 |
| Eggplant | Mar 2 | May 18 | May 25 | — | Aug 3 – Oct 5 | 65–85 |
| Endive | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 29 – Aug 3 | 45–65 |
| Escarole | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 6 – Aug 3 | 50–70 |
| Fava Beans | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 27 – Sep 7 | 75–100 |
| Fennel | Mar 16 | May 18 | May 25 | — | Jul 27 – Sep 7 | 60–90 |
| Garlic | — | — | — | Aug 12 | Nov 11 – Feb 24 | 90–240 |
| Green Beans | — | May 18 | — | — | Jul 13 – Sep 7 | 50–65 |
| Horseradish | — | — | May 25 | — | Sep 28 – Dec 7 | 120–180 |
| Hot Peppers | Mar 2 | May 18 | May 25 | — | Aug 3 – Nov 9 | 70–120 |
| Hubbard Squash | Apr 6 | May 18 | May 25 | — | Sep 7 – Oct 12 | 100–120 |
| Kabocha | Apr 6 | May 18 | May 25 | — | Aug 24 – Sep 21 | 85–100 |
| Kai Lan | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 29 – Jul 27 | 45–60 |
| Kale | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 6 – Aug 31 | 50–70 |
| Kidney Beans | — | May 18 | — | — | Aug 17 – Sep 21 | 85–110 |
| Kohlrabi | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 29 – Aug 3 | 45–65 |
| Komatsuna | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 15 – Jul 20 | 35–50 |
| Leeks | Apr 6 | Apr 27 | May 11 | Jul 15 | Aug 10 – Oct 26 | 90–150 |
| Lentils | Apr 6 | Apr 27 | May 11 | Jul 15 | Aug 3 – Sep 14 | 80–110 |
| Lettuce | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 15 – Aug 24 | 30–60 |
| Lima Beans | — | May 18 | — | — | Jul 20 – Aug 31 | 60–90 |
| Loofah | Mar 16 | May 18 | May 25 | — | Sep 7 – Nov 9 | 100–150 |
| Luffa | Mar 16 | May 18 | May 25 | — | Aug 24 – Nov 9 | 90–150 |
| Mache | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 22 – Jul 27 | 40–60 |
| Melon | Apr 6 | May 18 | May 25 | — | Aug 3 – Sep 21 | 70–100 |
| Microgreens | Apr 6 | Apr 27 | May 11 | Jul 15 | May 18 – Jun 15 | 7–21 |
| Mitsuba | Apr 6 | Apr 27 | May 4 | Jul 15 | Jun 29 – Aug 24 | 50–70 |
| Mizuna | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 15 – Jul 13 | 30–45 |
| Mustard Greens | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 15 – Aug 17 | 30–50 |
| Napa Cabbage | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 6 – Aug 10 | 55–75 |
| New Zealand Spinach | Mar 16 | May 18 | May 25 | — | Jul 20 – Aug 17 | 55–70 |
| Okra | Mar 16 | May 18 | May 25 | — | Jul 20 – Sep 14 | 50–65 |
| Onion | Apr 6 | Apr 27 | May 11 | Jul 15 | Aug 10 – Sep 28 | 90–120 |
| Pac Choi | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 22 – Jul 20 | 40–55 |
| Parsnip | — | Apr 27 | — | Jul 15 | Aug 10 – Sep 21 | 100–130 |
| Patty Pan Squash | Apr 6 | May 18 | May 25 | — | Jul 13 – Aug 10 | 45–60 |
| Peas | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 6 – Aug 31 | 55–70 |
| Peppers | Mar 2 | May 18 | May 25 | — | Jul 27 – Oct 5 | 60–90 |
| Pole Beans | Mar 16 | May 18 | May 25 | — | Jul 20 – Sep 14 | 55–70 |
| Potatoes | Mar 16 | May 18 | May 25 | — | Aug 3 – Oct 12 | 70–120 |
| Pumpkin | Apr 6 | May 18 | May 25 | — | Aug 24 – Oct 12 | 85–120 |
| Purslane | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 22 – Jul 27 | 40–60 |
| Radicchio | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 13 – Aug 17 | 60–80 |
| Radish | — | Apr 27 | — | Jul 15 | May 25 – Jun 15 | 22–35 |
| Rhubarb | — | — | Jun 1 | — | — | 365–730 |
| Romanesco | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 27 – Sep 7 | 75–100 |
| Rutabaga | — | Apr 27 | — | Jul 15 | Jul 20 – Aug 24 | 80–100 |
| Salsify | — | Apr 27 | — | Jul 15 | Aug 10 – Sep 21 | 100–130 |
| Savoy Cabbage | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 20 – Sep 14 | 70–110 |
| Scallions | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 6 – Aug 3 | 50–70 |
| Scarlet Runner Beans | Mar 16 | May 18 | May 25 | — | Jul 27 – Aug 31 | 60–80 |
| Shallot | Apr 6 | Apr 27 | May 11 | Jul 15 | Aug 10 – Sep 28 | 90–120 |
| Shiso | Mar 23 | May 18 | May 25 | — | Jul 20 – Sep 14 | 50–70 |
| Snap Peas | Mar 16 | May 18 | May 25 | — | Jul 20 – Sep 14 | 55–70 |
| Snow Peas | Apr 6 | Apr 27 | May 11 | Jul 15 | Jul 6 – Aug 31 | 50–65 |
| Soybeans | — | May 18 | — | — | Aug 10 – Oct 5 | 80–120 |
| Spaghetti Squash | Apr 6 | May 18 | May 25 | — | Aug 24 – Sep 21 | 85–100 |
| Spinach | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 15 – Aug 17 | 35–50 |
| Squash (Summer) | Apr 6 | May 18 | May 25 | — | Jul 13 – Sep 14 | 45–65 |
| Squash (Winter) | Apr 6 | May 18 | May 25 | — | Aug 17 – Oct 12 | 80–120 |
| Sunchoke | — | — | May 25 | — | Sep 14 – Nov 9 | 110–150 |
| Sweet Corn | — | May 18 | — | — | Jul 20 – Aug 31 | 60–90 |
| Sweet Potatoes | Mar 16 | May 18 | May 25 | — | Aug 24 – Oct 12 | 90–120 |
| Tatsoi | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 15 – Jul 20 | 35–50 |
| Tomatillo | Mar 16 | May 18 | May 25 | — | Jul 27 – Oct 5 | 60–85 |
| Tomatoes | Mar 16 | May 18 | May 25 | — | Jul 27 – Oct 5 | 60–85 |
| Turnip | — | Apr 27 | — | Jul 15 | Jun 8 – Jul 13 | 40–60 |
| Watercress | Apr 6 | Apr 27 | May 11 | Jul 15 | Jun 22 – Jul 27 | 40–60 |
| Watermelon | Apr 6 | May 18 | May 25 | — | Aug 3 – Sep 21 | 70–100 |
| Wax Beans | — | May 18 | — | — | Jul 13 – Sep 7 | 50–65 |
| Winter Melon | Mar 16 | May 18 | May 25 | — | Aug 24 – Oct 12 | 90–120 |
| Yard Long Beans | Mar 16 | May 18 | May 25 | — | Jul 20 – Aug 31 | 55–80 |
| Zucchini | Apr 6 | May 18 | May 25 | — | Jul 13 – Sep 7 | 45–60 |
🍓 Fruits to Grow in Viola
27 fruits matched to Zone 6b with planting dates calibrated for Viola.
Show all 27 fruits with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Jun 1 | — | Aug 31 – Dec 14 | 90–180 |
| Aronia | — | — | Jun 1 | — | — | 730–1095 |
| Blackberries | — | — | Jun 1 | — | — | 365–730 |
| Blueberries | — | — | Jun 1 | — | — | 730–1095 |
| Boysenberries | — | — | Jun 1 | — | — | 365–730 |
| Cantaloupe | — | — | Jun 1 | — | Aug 10 – Sep 14 | 70–90 |
| Che Fruit | — | — | Jun 1 | — | — | 1095–1825 |
| Cranberries | — | — | Jun 1 | — | — | 730–1095 |
| Currants | — | — | Jun 1 | — | — | 730–1095 |
| Elderberries | — | — | Jun 1 | — | — | 730–1095 |
| Goji Berries | — | — | Jun 1 | — | — | 730–1095 |
| Gooseberries | — | — | Jun 1 | — | — | 730–1095 |
| Grapes | — | — | Jun 1 | — | — | 730–1095 |
| Ground Cherry | — | — | Jun 1 | — | Aug 10 – Oct 5 | 65–80 |
| Hardy Kiwi | — | — | Jun 1 | — | — | 1095–1825 |
| Haskaps | — | — | Jun 1 | — | — | 730–1095 |
| Honeydew | — | — | Jun 1 | — | Aug 24 – Oct 5 | 80–110 |
| Jostaberry | — | — | Jun 1 | — | — | 730–1095 |
| Lingonberries | — | — | Jun 1 | — | — | 730–1095 |
| Medlar | — | — | Jun 1 | — | — | 1095–1825 |
| Mulberries | — | — | Jun 1 | — | — | 730–1825 |
| Pawpaw | — | — | Jun 1 | — | — | 1095–2555 |
| Persimmon | — | — | Jun 1 | — | — | 1095–2555 |
| Quince | — | — | Jun 1 | — | — | 1095–1825 |
| Raspberries | — | — | Jun 1 | — | — | 365–730 |
| Serviceberries | — | — | Jun 1 | — | — | 730–1095 |
| Strawberries | — | — | Jun 1 | — | Aug 31 – Dec 14 | 90–365 |
🌿 Herbs to Grow in Viola
35 herbs matched to Zone 6b with planting dates calibrated for Viola.
Show all 35 herbs with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Apr 6 | Apr 27 | May 4 | Jul 15 | — | 365–730 |
| Anise | Apr 6 | Apr 27 | May 4 | Jul 15 | Aug 3 – Oct 19 | 90–120 |
| Basil | Mar 23 | May 18 | May 25 | — | Jul 20 – Sep 21 | 50–75 |
| Bee Balm | — | — | May 18 | — | Aug 17 – Nov 2 | 90–120 |
| Borage | Apr 6 | Apr 27 | May 4 | Jul 15 | Jun 29 – Aug 17 | 50–60 |
| Caraway | Apr 6 | Apr 27 | May 4 | Jul 15 | — | 365–450 |
| Catnip | — | — | May 18 | — | Jul 20 – Sep 21 | 60–80 |
| Chamomile | Apr 6 | Apr 27 | May 4 | Jul 15 | Jul 6 – Sep 14 | 60–90 |
| Chervil | Apr 6 | Apr 27 | May 4 | Jul 15 | Jun 15 – Aug 17 | 40–60 |
| Chives | — | — | May 18 | — | Jul 20 – Sep 28 | 60–90 |
| Cilantro | Apr 6 | Apr 27 | May 4 | Jul 15 | Jun 15 – Aug 17 | 40–60 |
| Comfrey | — | — | May 18 | — | Jul 20 – Sep 28 | 60–90 |
| Cumin | Apr 6 | Apr 27 | May 4 | Jul 15 | Aug 17 – Oct 19 | 100–120 |
| Dill | Apr 6 | Apr 27 | May 4 | Jul 15 | Jun 15 – Aug 17 | 40–60 |
| Epazote | Mar 23 | May 18 | May 25 | — | Jul 13 – Sep 7 | 45–60 |
| Fennel (herb) | Apr 6 | Apr 27 | May 4 | Jul 15 | Jul 6 – Sep 14 | 60–90 |
| Feverfew | — | — | May 18 | — | Aug 17 – Nov 2 | 90–120 |
| Garlic Chives | — | — | May 18 | — | Jul 20 – Sep 28 | 60–90 |
| Horehound | — | — | May 18 | — | Aug 3 – Sep 28 | 75–90 |
| Hyssop | — | — | May 18 | — | Jul 27 – Sep 28 | 70–90 |
| Lemon Balm | — | — | May 18 | — | Jul 20 – Sep 7 | 60–70 |
| Lemon Thyme | — | — | May 18 | — | Jul 27 – Sep 28 | 70–90 |
| Lovage | — | — | May 18 | — | Jul 27 – Sep 28 | 70–90 |
| Marjoram | — | — | May 18 | — | Jul 20 – Sep 28 | 60–90 |
| Mint | — | — | May 18 | — | Jul 20 – Sep 28 | 60–90 |
| Oregano | — | — | May 18 | — | Jul 20 – Sep 28 | 60–90 |
| Parsley | Apr 6 | Apr 27 | May 4 | Jul 15 | Jul 6 – Sep 7 | 60–80 |
| Rue | — | — | May 18 | — | Jul 27 – Sep 28 | 70–90 |
| Sage | — | — | May 18 | — | Aug 3 – Sep 28 | 75–90 |
| Savory | — | — | May 18 | — | Jul 13 – Sep 7 | 50–70 |
| Sorrel | Apr 6 | Apr 27 | May 4 | Jul 15 | Jun 15 – Aug 17 | 40–60 |
| Tarragon | — | — | May 18 | — | Jul 20 – Sep 28 | 60–90 |
| Thai Basil | Mar 23 | May 18 | May 25 | — | Jul 20 – Sep 21 | 50–75 |
| Thyme | — | — | May 18 | — | Jul 27 – Sep 28 | 70–90 |
| Valerian | — | — | May 18 | — | Sep 21 – Nov 30 | 120–180 |
🌸 Flowers to Grow in Viola
53 flowers matched to Zone 6b with planting dates calibrated for Viola.
Show all 53 flowers with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Mar 23 | May 11 | May 11 | — | Jul 6 – Oct 19 | 60–75 |
| Alliums | — | — | — | Aug 12 | Sep 9 – Oct 7 | 28–42 |
| Anemones | Apr 13 | — | May 11 | — | Jun 8 – Jul 6 | 90–120 |
| Astilbe | Mar 9 | — | May 18 | — | Jul 27 – Oct 5 | 70–100 |
| Bachelor's Button | Mar 30 | Apr 13 | May 11 | Aug 12 | Jul 13 – Oct 5 | 60–90 |
| Begonias | Mar 2 | — | May 18 | — | Jul 27 – Nov 2 | 70–90 |
| Black-eyed Susan | Mar 9 | May 11 | May 18 | — | Aug 3 – Nov 23 | 60–80 |
| Bleeding Hearts | Mar 9 | — | May 18 | — | Jul 13 – Aug 17 | 60–90 |
| Calendula | Mar 30 | Apr 13 | May 11 | — | Jun 29 – Oct 5 | 50–70 |
| California Poppy | — | Apr 13 | — | — | Jun 22 – Aug 17 | 60–90 |
| Celosia | Apr 6 | May 18 | May 18 | — | Jul 20 – Nov 9 | 60–90 |
| Columbine | Mar 9 | May 18 | May 18 | — | Jul 13 – Aug 17 | 70–100 |
| Coreopsis | Mar 9 | May 11 | May 18 | — | Jul 27 – Nov 23 | 60–80 |
| Cosmos | Apr 13 | May 11 | May 11 | — | Jul 20 – Nov 2 | 60–90 |
| Crocus | — | — | — | Aug 12 | Jul 1 – Jul 22 | 10–20 |
| Daffodils | — | — | — | Aug 12 | Jul 8 – Jul 29 | 20–40 |
| Dahlias | Apr 13 | May 18 | May 18 | — | Aug 3 – Nov 23 | 70–120 |
| Daylily | Mar 9 | — | May 18 | — | Aug 3 – Nov 23 | 60–90 |
| Dianthus | Mar 16 | Apr 13 | Apr 20 | — | Jun 8 – Sep 7 | 60–80 |
| Echinacea (Purple Coneflower) | Mar 9 | May 18 | May 18 | — | Aug 3 – Nov 23 | 70–90 |
| Foxglove | Mar 9 | May 18 | May 18 | — | Jul 13 – Aug 17 | 80–120 |
| Gaillardia (Blanket Flower) | Mar 23 | May 18 | May 18 | — | Jul 27 – Nov 30 | 70–100 |
| Geraniums | Mar 2 | — | May 18 | — | Jul 27 – Nov 2 | 70–100 |
| Gladiolus | — | May 11 | May 11 | — | Jul 27 – Nov 16 | 70–100 |
| Hostas | Mar 2 | — | May 18 | — | Aug 3 – Nov 23 | 60–90 |
| Hyacinths | — | — | — | Aug 12 | Jul 29 – Aug 19 | 14–28 |
| Hydrangeas | Mar 2 | — | May 18 | — | Jul 27 – Nov 9 | 90–150 |
| Impatiens | Mar 16 | — | May 18 | — | Jul 27 – Nov 9 | 60–75 |
| Irises | — | Division | May 18 | — | Jul 13 – Aug 10 | 60–100 |
| Larkspur | — | Apr 13 | — | — | Jun 22 – Aug 17 | 60–90 |
| Lavender | Mar 2 | — | May 25 | — | Aug 3 – Sep 28 | 90–120 |
| Lilies | — | Division | May 18 | — | Jul 27 – Nov 2 | 70–120 |
| Lobelia | Mar 9 | — | Apr 27 | — | Jun 22 – Sep 14 | 70–80 |
| Lupine | Mar 9 | May 18 | May 18 | — | Jul 13 – Aug 17 | 75–100 |
| Marigolds | Mar 30 | May 11 | May 11 | — | Jul 6 – Oct 12 | 50–70 |
| Nasturtium | Apr 13 | May 11 | May 11 | — | Jul 6 – Nov 2 | 55–65 |
| Pansy | Mar 2 | — | May 11 | Jul 29 | Jul 6 – Sep 14 | 70–90 |
| Peonies | — | Division | May 18 | — | Jul 20 – Aug 24 | 90–120 |
| Petunia | Mar 16 | — | May 18 | — | Jul 27 – Nov 9 | 70–90 |
| Phlox | Mar 9 | May 18 | May 18 | — | Jul 27 – Oct 19 | 80–110 |
| Portulaca | Apr 6 | May 18 | May 18 | — | Jul 6 – Oct 26 | 50–70 |
| Ranunculus | Mar 30 | — | May 11 | — | Jun 15 – Jul 13 | 90–120 |
| Roses | Mar 2 | — | May 18 | — | Jul 27 – Nov 23 | 90–180 |
| Salvia | Mar 9 | — | May 11 | — | Jul 20 – Nov 2 | 70–90 |
| Sedum (Stonecrop) | Mar 9 | — | May 18 | — | Sep 7 – Nov 30 | 60–90 |
| Snapdragon | Mar 2 | Apr 20 | May 11 | — | Jul 20 – Oct 5 | 70–100 |
| Sunflower | Apr 20 | May 11 | May 11 | — | Aug 3 – Nov 2 | 70–100 |
| Sweet Alyssum | Mar 30 | Apr 20 | May 11 | — | Jun 22 – Sep 7 | 45–60 |
| Sweet Pea | Mar 30 | Apr 6 | May 11 | — | Jul 27 – Oct 5 | 65–85 |
| Tulips | — | — | — | Aug 19 | Jul 29 – Aug 26 | 15–30 |
| Vinca (Annual) | Mar 2 | — | May 18 | — | Jul 27 – Nov 9 | 70–90 |
| Yarrow | Mar 9 | May 11 | May 18 | — | Jul 27 – Nov 23 | 60–90 |
| Zinnia | Apr 13 | May 11 | May 11 | — | Jul 20 – Oct 26 | 60–70 |
Monthly Planting Guide for Viola
ZIP Codes in Viola
Click any ZIP to see its specific frost, soil, and climate measurements (some ZIPs differ noticeably from the town aggregate):
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Latah County.
Your Latah County Garden Planner — Free
A 22-page printable planner built for Latah 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.
The Gardener's Encyclopedia to Companion Planting
The pairings that make vegetables, herbs, and flowers grow better — and the ones that quietly wreck a bed.
- Proven pairings for 200+ vegetables, herbs, flowers, and fruits
- Full seed-starting + planting schedule with timing and spacing
- Bonus: square-foot gardening guide + printable seasonal planners
Seed Saving & Storage Guide
Most saved seeds go bad before next season. This shows exactly when to pick, how to dry, and where to store seeds from 200 plants so yours don't.
- 200 plants, step-by-step: life cycle, pollination type, isolation
- Exact temperature + humidity ranges that keep seeds viable
- Bonus: searchable Google Sheets tracker + custom GPT assistant
Composting Guide for Homesteaders
Turn kitchen scraps and yard waste into compost that actually feeds the garden — instead of a pile that smells, attracts pests, and never breaks down.
- 14 sections on composting methods, soil science, and troubleshooting
- The 7-step hot-compost system from start to finish
- Bonus tools: troubleshooting chart, safety guide, monitoring log