Keizer, OR — Planting Guide for June
Free PDF, personalized for your town's frost dates & climate. Drop your email — we'll send the link.
What to do in June
Each item below is timed to Keizer, OR's frost dates and soil temperatures. Skip nothing, stress about nothing.
-
Start basil, peppers, and pole beans indoors
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.
-
Bring in the basil, carrots, and cucumber
Morning harvests are best — cooler temperatures mean crisper produce and longer fridge life.
July prep starts now
- First harvests: basil, carrots, and cucumber
Keizer sits in a long, humid growing climate (Zone 8b, 193 frost-free days). The good news: an enormous planting window. The catch: heat and humidity bring serious pest and disease pressure — fungal disease on tomatoes, root-knot nematodes, squash vine borers, and a steady parade of insects from spring through fall. Plan two distinct growing seasons (spring and fall), give crops air circulation, and prioritize disease-resistant varieties.
Soils trend Silt Loam — the gold standard for vegetables. Add 2–3" of compost annually to maintain it and you'll outgrow most of your neighbors.
Keizer averages 22.9 drought weeks per year (US Drought Monitor, 2000–present, trend worsening). Treat irrigation as a year-round system, not a summer add-on.
🌡️ USDA Zone
8b (15°F to 20°F min)
❄️ Avg. Last Frost
April 20
🍂 Avg. First Frost
October 30
📅 Growing Season
193 days
🌧️ Climate
Humid 42.6" annual
💨 Wind
Calm 6.0 mph avg
🥶 Frost Tier
Regular 0% frost-free years
🏜️ Drought
22.9 wk/yr trend worsening
📍 ZIP Codes
1 ZIP
Monthly Watering Calendar for Keizer
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
The practical takeaway: Plants need different amounts of water at different growth stages — heavy at flowering and fruit-set, lighter at establishment. Keizer's 43" annual rainfall is your starting math; the timing tells you when natural rain will cover you and when you need to step in.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 6.9 in | 20 days | — | None |
| Feb | 5.1 in | 13 days | — | Low |
| Mar | 4.9 in | 13 days | — | Low |
| Apr | 3.8 in | 11 days | 0.5 in | Low |
| May | 2.8 in | 10 days | 1.5 in | Moderate |
| Jun | 2 in | 6 days | 2.3 in | High |
| Jul | 0.8 in | 3 days | 3.5 in | Critical |
| Aug | 1 in | 3 days | 3.3 in | Critical |
| Sep | 1.9 in | 5 days | 2.4 in | High |
| Oct | 4.2 in | 10 days | 0.1 in | Low |
| Nov | 8.2 in | 14 days | — | Low |
| Dec | 9 in | 17 days | — | None |
Annual total: 50.6 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.
Keizer Soil Profile
Soil Type
Silt Loam
Soil pH
5.4-6.8
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) | May 9 | Nov 24 | 199 days |
| Cautious | Apr 29 | Nov 8 | 193 days |
| Average year | Apr 20 | Oct 30 | 193 days |
| Optimistic | Apr 13 | Oct 25 | 195 days |
| Aggressive (risky) | Mar 25 | Oct 10 | 199 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.
Yes — growing seasons are getting longer here (about 1.7 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.
Gardening Difficulty Score
Marion County offers good growing conditions. A little planning around frost dates goes a long way.
Local Gardening Help in Marion 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 Marion County's climate and soil.
County Extension Office
Marion County Oregon State University Extension Extension Office
Phone: 541-737-2713
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 Marion County
Finding local nurseries & garden centers in Marion County
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Marion 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 Marion County OR" or "garden center Marion 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 Marion County OR" or check your extension office and local parks department. Facebook groups like "Marion County Gardeners" or "Oregon 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 Keizer
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
The practical takeaway: Lettuce and cilantro "bolt" (go to seed) when days lengthen. Knowing your day-length curve helps you time spring plantings to harvest before the bolting trigger hits. Keizer's daylight ranges shape the planting calendar.
Longest Day
15.4 hours
Summer solstice daylight
Shortest Day
8.6 hours
Winter solstice daylight
Peak Sun Hours
10.6 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 | 9 hr | 2.2 hr | Short day |
| February | 10.2 hr | 3.2 hr | Short day |
| March | 11.6 hr | 3.9 hr | Short day |
| April | 13.3 hr | 5.4 hr | Neutral |
| May | 14.6 hr | 7.2 hr | Long day |
| June | 15.4 hr | 8.1 hr | Long day |
| July | 15.1 hr | 10.6 hr | Long day |
| August | 13.9 hr | 9.1 hr | Neutral |
| September | 12.3 hr | 7 hr | Neutral |
| October | 10.7 hr | 4.2 hr | Short day |
| November | 9.3 hr | 2.3 hr | Short day |
| December | 8.6 hr | 1.9 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting in Keizer
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
Why it matters: Watching soil temperature (not air) is the single biggest upgrade most new gardeners can make. Keizer's typical curve helps you plan — but a $5 soil thermometer in the bed beats any average.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from Apr through Nov.
Best Month to Compost
May
Microbial activity peaks when soil is warm.
Active Composting
10 months
Nearly year-round composting.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 43°F | 52°F | 🐢 Slow | ~24 weeks |
| Feb | 43°F | 49°F | 🐢 Slow | ~24 weeks |
| Mar | 51°F | 52°F | ♻️ Active | ~14 weeks |
| Apr | 61°F | 60°F | ♻️ Active | ~14 weeks |
| May | 70°F | 69°F | 🔥 Peak | ~8 weeks |
| Jun | 81°F | 76°F | 🔥 Peak | ~8 weeks |
| Jul | 88°F | 84°F | 🔥 Peak | ~8 weeks |
| Aug | 91°F | 86°F | 🔥 Peak | ~8 weeks |
| Sep | 83°F | 83°F | 🔥 Peak | ~8 weeks |
| Oct | 72°F | 74°F | 🔥 Peak | ~8 weeks |
| Nov | 60°F | 64°F | ♻️ Active | ~14 weeks |
| Dec | 50°F | 56°F | ♻️ Active | ~14 weeks |
Highlighted rows = soil 60°F+ (safe for warm-season transplants). Compost finishes fastest during peak activity months.
Pest & Disease Pressure in Keizer
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Why it matters: In Keizer'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
High fungal/bacterial risk. Space plants for airflow, water at soil level.
Seasonal Risk
View 6 common pests in your area
| Pest | Risk Level | Peak Months |
|---|---|---|
| Aphids | High | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| Squash vine borers | Moderate | May, Jun, Jul |
| Stink bugs | High | Apr, May, Jun, Jul, Aug, Sep, Oct |
| Whiteflies | Moderate | May, Jun, Jul, Aug, Sep, Oct |
| Spider mites | High | Jun, Jul, Aug, Sep |
| Fire ants | Low | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct |
Organic pest management tips
- Install physical barriers: floating row covers, copper tape for slugs, mesh netting
- Apply Bt (Bacillus thuringiensis) for caterpillar control — safe for beneficial insects
- Use kaolin clay spray to deter a wide range of insects on fruiting crops
- Release beneficial insects: ladybugs for aphids, parasitic wasps for caterpillars
- Apply neem oil weekly during high-pressure months
- Mulch heavily (3-4 inches) to reduce soil-borne disease splash
Cover Crops for Keizer
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with planting dates calibrated for your area.
For new gardeners: The "chop and drop" approach to cover crops: cut them down right before flowering, let them lay on the surface as mulch, plant your vegetables through the mulch. Less work, healthier soil.
Spring Cover Crops (4 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Apr 25 | Aug 21 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Cowpeas (southern peas) | Apr 29 | Sep 4 | ✓ Yes | Excellent nitrogen fixer for warm climates, edible |
| Sorghum-sudan grass | Apr 22 | Aug 21 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Mar 21 | Aug 28 | ✓ 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 21 | Oct 9 | — | Deep roots break compaction, attract pollinators and beneficial insects |
Fall Cover Crops (7 options) — Plant after harvest to protect soil over winter
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Austrian winter peas | Sep 2 | Mar 30 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Crimson clover | Aug 27 | Apr 6 | ✓ Yes | Fixes nitrogen, attracts pollinators in spring |
| Daikon radish | Sep 1 | Apr 6 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Aug 13 | Apr 6 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
| Oats | Sep 25 | Mar 30 | — | Quick biomass, winterkills in cold zones — no spring tillage needed |
| Winter rye | Aug 4 | Apr 6 | — | Suppresses weeds, prevents erosion, breaks up compacted soil |
| Winter wheat | Jul 24 | Apr 6 | — | Erosion control, weed suppression, good biomass |
Wind & Microclimate in Keizer
What this means for you: Pollinators avoid windy days. Keizer's 6.0 mph average wind isn't enough to stop bees and butterflies — but plant fruiting crops (tomatoes, peppers, squash) in protected microclimates and you'll see noticeably better fruit set.
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 11 mph Summer: 10 mph
Fall: 8 mph Winter: 12 mph
Prevailing wind: SW. Moderate wind — consider a temporary windbreak for young seedlings.
Windbreak Benefit
4.9/10
Moderately beneficial — a simple fence or trellis can protect delicate crops from wind stress.
Frost Pocket Risk
Low
Relatively flat terrain (280 ft range). Frost pocket risk is minimal — garden placement is flexible.
Rainwater Harvesting in Keizer
How much water you can collect, when to collect it, and what size system you need for your garden.
Why it matters: A 1,000 sq ft roof captures about 600 gallons from a single 1" rainfall. Keizer gets 43" of rain a year — a couple of well-placed rain barrels can cover most summer watering. In dry climates the math's even better: every captured gallon is one you don't buy.
Annual Collection
25,219 gal
Per 1,000 sq ft of roof area (at 80% collection efficiency)
Recommended Setup
6 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
Jan, Feb, Nov, Dec
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
Jul
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 50.6 inches of rain per year
- A 1,000 sq ft roof can collect roughly 25,219 gallons annually
- Rainwater harvesting is fully legal in your state
- Your area gets ample rainfall — even small barrels make a big difference
- Consider a rain garden to handle overflow during heavy rainfall months
🥬 Vegetables to Grow in Keizer
114 vegetables matched to Zone 8b with planting dates calibrated for Keizer.
Show all 114 vegetables with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Acorn Squash | Mar 23 | Apr 27 | May 4 | — | Jul 27 – Aug 31 | 80–100 |
| Amaranth | Mar 2 | Apr 27 | May 4 | — | Aug 3 – Sep 21 | 90–120 |
| Artichoke | — | — | May 4 | — | Sep 7 – Nov 16 | 120–180 |
| Arugula | Mar 16 | Apr 6 | Apr 20 | Aug 21 | May 25 – Jul 27 | 30–50 |
| Asparagus | — | — | May 4 | — | — | 730–1095 |
| Beets | — | Apr 6 | — | Aug 21 | Jun 1 – Jun 29 | 50–70 |
| Belgian Endive | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Aug 10 – Oct 5 | 110–150 |
| Bitter Melon | Mar 2 | Apr 27 | May 4 | — | Jul 6 – Aug 17 | 60–90 |
| Black Beans | — | Apr 27 | — | — | Jul 27 – Sep 14 | 90–120 |
| Bok Choy | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 1 – Jul 6 | 40–60 |
| Broccoli | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 22 – Aug 3 | 60–90 |
| Broccoli Rabe | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 1 – Jul 6 | 40–60 |
| Brussels Sprouts | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jul 20 – Sep 14 | 90–130 |
| Butternut Squash | Mar 23 | Apr 27 | May 4 | — | Aug 3 – Sep 7 | 85–110 |
| Cabbage | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 22 – Aug 17 | 60–100 |
| Calabash | Mar 2 | Apr 27 | May 4 | — | Jul 27 – Sep 21 | 80–120 |
| Cardoon | — | — | May 4 | — | Sep 7 – Oct 19 | 120–150 |
| Carrots | — | Apr 6 | — | Aug 21 | Jun 8 – Jul 13 | 60–80 |
| Cauliflower | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 15 – Aug 17 | 55–100 |
| Celeriac | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Aug 3 – Sep 7 | 100–120 |
| Celery | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jul 13 – Sep 7 | 80–120 |
| Celtuce | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 22 – Aug 3 | 60–90 |
| Chard | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 15 – Aug 3 | 50–60 |
| Chayote | Mar 2 | Apr 27 | May 4 | — | Sep 7 – Nov 16 | 120–180 |
| Chickpeas | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jul 13 – Aug 24 | 80–110 |
| Chicory | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 22 – Aug 3 | 60–85 |
| Chinese Cabbage | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 15 – Jul 13 | 50–70 |
| Christmas Lima Beans | Mar 2 | Apr 27 | May 4 | — | Jul 27 – Aug 31 | 80–100 |
| Collard Greens | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 15 – Aug 17 | 55–75 |
| Corn | — | Apr 27 | — | — | Jun 29 – Aug 24 | 60–100 |
| Cowpeas | — | Apr 27 | — | — | Jun 29 – Aug 10 | 60–90 |
| Cress | Mar 16 | Apr 6 | Apr 20 | Aug 21 | May 4 – May 25 | 14–21 |
| Crookneck Squash | Mar 23 | Apr 27 | May 4 | — | Jun 22 – Jul 20 | 45–60 |
| Crosne | — | Apr 6 | — | Aug 21 | Sep 7 – Nov 9 | 150–200 |
| Cucumber | Mar 23 | Apr 27 | May 4 | — | Jun 29 – Aug 24 | 50–70 |
| Daikon | — | Apr 6 | — | Aug 21 | Jun 1 – Jun 29 | 50–70 |
| Delicata Squash | Mar 23 | Apr 27 | May 4 | — | Jul 27 – Aug 31 | 80–100 |
| Edamame | — | Apr 27 | — | — | Jul 13 – Aug 24 | 75–100 |
| Eggplant | Feb 16 | Apr 27 | May 4 | — | Jul 13 – Sep 14 | 65–85 |
| Endive | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 8 – Jul 13 | 45–65 |
| Escarole | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 15 – Jul 13 | 50–70 |
| Fava Beans | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jul 6 – Aug 17 | 75–100 |
| Fennel | Mar 2 | Apr 27 | May 4 | — | Jul 6 – Aug 17 | 60–90 |
| Garlic | — | — | — | Sep 18 | Dec 18 – Jun 4 | 90–240 |
| Ginger | Mar 2 | Apr 27 | May 4 | — | Jan 4 – Jan 18 | 240–300 |
| Green Beans | — | Apr 27 | — | — | Jun 22 – Aug 17 | 50–65 |
| Horseradish | — | — | May 4 | — | Sep 7 – Nov 16 | 120–180 |
| Hot Peppers | Feb 16 | Apr 27 | May 4 | — | Jul 13 – Oct 19 | 70–120 |
| Hubbard Squash | Mar 23 | Apr 27 | May 4 | — | Aug 17 – Sep 21 | 100–120 |
| Jicama | Mar 2 | Apr 27 | May 4 | — | Sep 7 – Nov 16 | 120–180 |
| Kabocha | Mar 23 | Apr 27 | May 4 | — | Aug 3 – Aug 31 | 85–100 |
| Kai Lan | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 8 – Jul 6 | 45–60 |
| Kale | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 15 – Aug 10 | 50–70 |
| Kidney Beans | — | Apr 27 | — | — | Jul 27 – Aug 31 | 85–110 |
| Kohlrabi | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 8 – Jul 13 | 45–65 |
| Komatsuna | Mar 16 | Apr 6 | Apr 20 | Aug 21 | May 25 – Jun 29 | 35–50 |
| Leeks | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jul 20 – Oct 5 | 90–150 |
| Lentils | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jul 13 – Aug 24 | 80–110 |
| Lettuce | Mar 16 | Apr 6 | Apr 20 | Aug 21 | May 25 – Aug 3 | 30–60 |
| Lima Beans | — | Apr 27 | — | — | Jun 29 – Aug 10 | 60–90 |
| Loofah | Mar 2 | Apr 27 | May 4 | — | Aug 17 – Oct 19 | 100–150 |
| Luffa | Mar 2 | Apr 27 | May 4 | — | Aug 3 – Oct 19 | 90–150 |
| Mache | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 1 – Jul 6 | 40–60 |
| Malabar Spinach | Mar 2 | Apr 27 | May 4 | — | Jun 29 – Jul 27 | 55–70 |
| Melon | Mar 23 | Apr 27 | May 4 | — | Jul 13 – Aug 31 | 70–100 |
| Microgreens | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Apr 27 – May 25 | 7–21 |
| Mitsuba | Mar 16 | Apr 6 | Apr 13 | Aug 21 | Jun 8 – Aug 3 | 50–70 |
| Mizuna | Mar 16 | Apr 6 | Apr 20 | Aug 21 | May 25 – Jun 22 | 30–45 |
| Mustard Greens | Mar 16 | Apr 6 | Apr 20 | Aug 21 | May 25 – Jul 27 | 30–50 |
| Napa Cabbage | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 15 – Jul 20 | 55–75 |
| New Zealand Spinach | Mar 2 | Apr 27 | May 4 | — | Jun 29 – Jul 27 | 55–70 |
| Okra | Mar 2 | Apr 27 | May 4 | — | Jun 29 – Aug 24 | 50–65 |
| Onion | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jul 20 – Sep 7 | 90–120 |
| Pac Choi | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 1 – Jun 29 | 40–55 |
| Parsnip | — | Apr 6 | — | Aug 21 | Jul 20 – Aug 31 | 100–130 |
| Patty Pan Squash | Mar 23 | Apr 27 | May 4 | — | Jun 22 – Jul 20 | 45–60 |
| Peas | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 15 – Aug 10 | 55–70 |
| Peppers | Feb 16 | Apr 27 | May 4 | — | Jul 6 – Sep 14 | 60–90 |
| Pole Beans | Mar 2 | Apr 27 | May 4 | — | Jun 29 – Aug 24 | 55–70 |
| Potatoes | Mar 2 | Apr 27 | May 4 | — | Jul 13 – Sep 21 | 70–120 |
| Pumpkin | Mar 23 | Apr 27 | May 4 | — | Aug 3 – Sep 21 | 85–120 |
| Purslane | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 1 – Jul 6 | 40–60 |
| Radicchio | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 22 – Jul 27 | 60–80 |
| Radish | — | Apr 6 | — | Aug 21 | May 4 – May 25 | 22–35 |
| Rhubarb | — | — | May 11 | — | — | 365–730 |
| Romanesco | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jul 6 – Aug 17 | 75–100 |
| Rutabaga | — | Apr 6 | — | Aug 21 | Jun 29 – Aug 3 | 80–100 |
| Salsify | — | Apr 6 | — | Aug 21 | Jul 20 – Aug 31 | 100–130 |
| Savoy Cabbage | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 29 – Aug 24 | 70–110 |
| Scallions | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 15 – Jul 13 | 50–70 |
| Scarlet Runner Beans | Mar 2 | Apr 27 | May 4 | — | Jul 6 – Aug 10 | 60–80 |
| Shallot | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jul 20 – Sep 7 | 90–120 |
| Shiso | Mar 2 | Apr 27 | May 4 | — | Jun 29 – Aug 24 | 50–70 |
| Snap Peas | Mar 2 | Apr 27 | May 4 | — | Jun 29 – Aug 24 | 55–70 |
| Snow Peas | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 15 – Aug 10 | 50–65 |
| Soybeans | — | Apr 27 | — | — | Jul 20 – Sep 14 | 80–120 |
| Spaghetti Squash | Mar 23 | Apr 27 | May 4 | — | Aug 3 – Aug 31 | 85–100 |
| Spinach | Mar 16 | Apr 6 | Apr 20 | Aug 21 | May 25 – Jul 27 | 35–50 |
| Squash (Summer) | Mar 23 | Apr 27 | May 4 | — | Jun 22 – Aug 24 | 45–65 |
| Squash (Winter) | Mar 23 | Apr 27 | May 4 | — | Jul 27 – Sep 21 | 80–120 |
| Sunchoke | — | — | May 4 | — | Aug 24 – Oct 19 | 110–150 |
| Sweet Corn | — | Apr 27 | — | — | Jun 29 – Aug 10 | 60–90 |
| Sweet Potatoes | Mar 2 | Apr 27 | May 4 | — | Aug 3 – Sep 21 | 90–120 |
| Tatsoi | Mar 16 | Apr 6 | Apr 20 | Aug 21 | May 25 – Jun 29 | 35–50 |
| Tomatillo | Mar 2 | Apr 27 | May 4 | — | Jul 6 – Sep 14 | 60–85 |
| Tomatoes | Mar 2 | Apr 27 | May 4 | — | Jul 6 – Sep 14 | 60–85 |
| Turmeric | Mar 2 | Apr 27 | May 4 | — | Jan 4 – Jan 18 | 240–300 |
| Turnip | — | Apr 6 | — | Aug 21 | May 18 – Jun 22 | 40–60 |
| Watercress | Mar 16 | Apr 6 | Apr 20 | Aug 21 | Jun 1 – Jul 6 | 40–60 |
| Watermelon | Mar 23 | Apr 27 | May 4 | — | Jul 13 – Aug 31 | 70–100 |
| Wax Beans | — | Apr 27 | — | — | Jun 22 – Aug 17 | 50–65 |
| Winter Melon | Mar 2 | Apr 27 | May 4 | — | Aug 3 – Sep 21 | 90–120 |
| Yard Long Beans | Mar 2 | Apr 27 | May 4 | — | Jun 29 – Aug 10 | 55–80 |
| Zucchini | Mar 23 | Apr 27 | May 4 | — | Jun 22 – Aug 17 | 45–60 |
🍓 Fruits to Grow in Keizer
27 fruits matched to Zone 8b with planting dates calibrated for Keizer.
Show all 27 fruits with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Alpine Strawberries | — | — | May 11 | — | Aug 10 – Nov 23 | 90–180 |
| Aronia | — | — | May 11 | — | — | 730–1095 |
| Blackberries | — | — | May 11 | — | — | 365–730 |
| Blueberries | — | — | May 11 | — | — | 730–1095 |
| Boysenberries | — | — | May 11 | — | — | 365–730 |
| Cantaloupe | — | — | May 11 | — | Jul 20 – Aug 24 | 70–90 |
| Che Fruit | — | — | May 11 | — | — | 1095–1825 |
| Elderberries | — | — | May 11 | — | — | 730–1095 |
| Figs | — | — | May 11 | — | — | 730–1825 |
| Goji Berries | — | — | May 11 | — | — | 730–1095 |
| Gooseberries | — | — | May 11 | — | — | 730–1095 |
| Grapes | — | — | May 11 | — | — | 730–1095 |
| Ground Cherry | — | — | May 11 | — | Jul 20 – Sep 14 | 65–80 |
| Hardy Kiwi | — | — | May 11 | — | — | 1095–1825 |
| Honeydew | — | — | May 11 | — | Aug 3 – Sep 14 | 80–110 |
| Jostaberry | — | — | May 11 | — | — | 730–1095 |
| Kiwi | — | — | May 11 | — | — | 1095–1825 |
| Loquat | — | — | May 11 | — | — | 730–1825 |
| Medlar | — | — | May 11 | — | — | 1095–1825 |
| Mulberries | — | — | May 11 | — | — | 730–1825 |
| Pawpaw | — | — | May 11 | — | — | 1095–2555 |
| Persimmon | — | — | May 11 | — | — | 1095–2555 |
| Pomegranate | — | — | May 11 | — | — | 730–1095 |
| Quince | — | — | May 11 | — | — | 1095–1825 |
| Raspberries | — | — | May 11 | — | — | 365–730 |
| Serviceberries | — | — | May 11 | — | — | 730–1095 |
| Strawberries | — | — | May 11 | — | Aug 10 – Jan 25 | 90–365 |
🌿 Herbs to Grow in Keizer
39 herbs matched to Zone 8b with planting dates calibrated for Keizer.
Show all 39 herbs with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Harvest | Days to Maturity |
|---|---|---|---|---|---|---|
| Angelica | Mar 16 | Apr 6 | Apr 13 | Aug 21 | — | 365–730 |
| Anise | Mar 16 | Apr 6 | Apr 13 | Aug 21 | Jul 13 – Sep 28 | 90–120 |
| Basil | Mar 2 | Apr 27 | May 4 | — | Jun 29 – Aug 31 | 50–75 |
| Bee Balm | — | — | Apr 27 | — | Jul 27 – Oct 12 | 90–120 |
| Borage | Mar 16 | Apr 6 | Apr 13 | Aug 21 | Jun 8 – Jul 27 | 50–60 |
| Caraway | Mar 16 | Apr 6 | Apr 13 | Aug 21 | — | 365–450 |
| Catnip | — | — | Apr 27 | — | Jun 29 – Aug 31 | 60–80 |
| Chamomile | Mar 16 | Apr 6 | Apr 13 | Aug 21 | Jun 15 – Aug 24 | 60–90 |
| Chervil | Mar 16 | Apr 6 | Apr 13 | Aug 21 | May 25 – Jul 27 | 40–60 |
| Chives | — | — | Apr 27 | — | Jun 29 – Sep 7 | 60–90 |
| Cilantro | Mar 16 | Apr 6 | Apr 13 | Aug 21 | May 25 – Jul 27 | 40–60 |
| Comfrey | — | — | Apr 27 | — | Jun 29 – Sep 7 | 60–90 |
| Cumin | Mar 16 | Apr 6 | Apr 13 | Aug 21 | Jul 27 – Sep 28 | 100–120 |
| Dill | Mar 16 | Apr 6 | Apr 13 | Aug 21 | May 25 – Jul 27 | 40–60 |
| Epazote | Mar 2 | Apr 27 | May 4 | — | Jun 22 – Aug 17 | 45–60 |
| Fennel (herb) | Mar 16 | Apr 6 | Apr 13 | Aug 21 | Jun 15 – Aug 24 | 60–90 |
| Feverfew | — | — | Apr 27 | — | Jul 27 – Oct 12 | 90–120 |
| Garlic Chives | — | — | Apr 27 | — | Jun 29 – Sep 7 | 60–90 |
| Horehound | — | — | Apr 27 | — | Jul 13 – Sep 7 | 75–90 |
| Hyssop | — | — | Apr 27 | — | Jul 6 – Sep 7 | 70–90 |
| Lemon Balm | — | — | Apr 27 | — | Jun 29 – Aug 17 | 60–70 |
| Lemon Thyme | — | — | Apr 27 | — | Jul 6 – Sep 7 | 70–90 |
| Lemon Verbena | Mar 2 | Apr 27 | May 4 | — | Jul 6 – Sep 14 | 60–90 |
| Lemongrass | Mar 2 | Apr 27 | May 4 | — | Jul 20 – Oct 19 | 75–120 |
| Lovage | — | — | Apr 27 | — | Jul 6 – Sep 7 | 70–90 |
| Marjoram | — | — | Apr 27 | — | Jun 29 – Sep 7 | 60–90 |
| Mint | — | — | Apr 27 | — | Jun 29 – Sep 7 | 60–90 |
| Oregano | — | — | Apr 27 | — | Jun 29 – Sep 7 | 60–90 |
| Parsley | Mar 16 | Apr 6 | Apr 13 | Aug 21 | Jun 15 – Aug 17 | 60–80 |
| Rosemary | — | — | Apr 27 | — | Jul 20 – Dec 7 | 80–180 |
| Rue | — | — | Apr 27 | — | Jul 6 – Sep 7 | 70–90 |
| Sage | — | — | Apr 27 | — | Jul 13 – Sep 7 | 75–90 |
| Savory | — | — | Apr 27 | — | Jun 22 – Aug 17 | 50–70 |
| Sorrel | Mar 16 | Apr 6 | Apr 13 | Aug 21 | May 25 – Jul 27 | 40–60 |
| Stevia | Mar 2 | Apr 27 | May 4 | — | Jul 6 – Sep 14 | 60–90 |
| Tarragon | — | — | Apr 27 | — | Jun 29 – Sep 7 | 60–90 |
| Thai Basil | Mar 2 | Apr 27 | May 4 | — | Jun 29 – Aug 31 | 50–75 |
| Thyme | — | — | Apr 27 | — | Jul 6 – Sep 7 | 70–90 |
| Valerian | — | — | Apr 27 | — | Aug 31 – Dec 7 | 120–180 |
🌸 Flowers to Grow in Keizer
54 flowers matched to Zone 8b with planting dates calibrated for Keizer.
Show all 54 flowers with dates
| Plant | Start Indoors | Direct Sow | Transplant | Fall Plant | Bloom | Days to Maturity |
|---|---|---|---|---|---|---|
| Ageratum | Mar 9 | Apr 6 | Apr 6 | — | Jun 1 – Nov 2 | 60–75 |
| Alliums | — | — | — | Oct 2 | Oct 30 – Nov 20 | 28–42 |
| Anemones | — | — | — | Sep 4 | Sep 11 – Oct 9 | 90–120 |
| Astilbe | Feb 23 | — | Apr 20 | — | Jun 29 – Aug 17 | 70–100 |
| Bachelor's Button | — | Mar 2 | Mar 30 | Sep 4 | Jun 1 – Sep 28 | 60–90 |
| Begonias | Feb 9 | — | Apr 6 | — | Jun 15 – Nov 16 | 70–90 |
| Black-eyed Susan | Feb 23 | Apr 6 | Apr 20 | — | Jun 29 – Nov 23 | 60–80 |
| Bleeding Hearts | Feb 23 | — | Apr 20 | — | Jun 8 – Jul 6 | 60–90 |
| Calendula | — | Mar 2 | Mar 30 | Aug 21 | May 18 – Oct 12 | 50–70 |
| California Poppy | — | — | — | Aug 21 | Oct 30 – Feb 19 | 60–90 |
| Celosia | Mar 23 | Apr 6 | Apr 6 | — | Jun 8 – Nov 16 | 60–90 |
| Columbine | Feb 23 | Apr 20 | Apr 20 | — | Jun 8 – Jul 6 | 70–100 |
| Coreopsis | Feb 23 | Apr 6 | Apr 20 | — | Jun 22 – Nov 16 | 60–80 |
| Cosmos | Mar 23 | Mar 30 | Mar 30 | — | Jun 8 – Nov 9 | 60–90 |
| Crocus | — | — | — | Oct 2 | Sep 4 – Sep 25 | 10–20 |
| Daffodils | — | — | — | Oct 2 | Sep 11 – Oct 9 | 20–40 |
| Dahlias | Mar 30 | Apr 20 | Apr 20 | — | Jun 29 – Dec 14 | 70–120 |
| Daylily | Feb 23 | — | Apr 20 | — | Jun 29 – Nov 30 | 60–90 |
| Dianthus | Feb 23 | Mar 2 | Mar 9 | — | Apr 27 – Jul 6 | 60–80 |
| Echinacea (Purple Coneflower) | Feb 23 | Apr 20 | Apr 20 | — | Jun 29 – Nov 16 | 70–90 |
| Foxglove | Feb 23 | Apr 13 | Apr 13 | — | Jun 1 – Jun 29 | 80–120 |
| Freesia | — | — | — | Sep 18 | Oct 9 – Nov 13 | 84–112 |
| Gaillardia (Blanket Flower) | Mar 9 | Apr 6 | Apr 6 | — | Jun 15 – Nov 30 | 70–100 |
| Geraniums | Feb 9 | — | Apr 6 | — | Jun 15 – Nov 16 | 70–100 |
| Gladiolus | — | Apr 20 | Apr 20 | — | Jun 29 – Dec 14 | 70–100 |
| Hostas | Feb 16 | — | Apr 20 | — | Jun 29 – Nov 2 | 60–90 |
| Hyacinths | — | — | — | Oct 2 | Sep 25 – Oct 16 | 14–28 |
| Hydrangeas | Feb 16 | — | Apr 13 | — | Jun 22 – Oct 26 | 90–150 |
| Impatiens | Feb 23 | — | Apr 13 | — | Jun 22 – Nov 23 | 60–75 |
| Irises | — | Division | Apr 13 | — | Jun 1 – Jul 6 | 60–100 |
| Larkspur | — | — | — | Aug 21 | Oct 30 – Feb 19 | 60–90 |
| Lavender | Feb 23 | — | Apr 20 | — | Jun 29 – Oct 5 | 90–120 |
| Lilies | — | Division | Apr 13 | — | Jun 22 – Oct 12 | 70–120 |
| Lobelia | Feb 23 | — | Mar 9 | — | May 4 – Jun 15 | 70–80 |
| Lupine | Feb 23 | Apr 20 | Apr 20 | — | Jun 8 – Jul 6 | 75–100 |
| Marigolds | Mar 16 | Apr 6 | Apr 6 | — | Jun 1 – Oct 19 | 50–70 |
| Nasturtium | Mar 23 | Apr 6 | Apr 6 | — | Jun 1 – Nov 16 | 55–65 |
| Pansy | Feb 9 | — | Mar 30 | Aug 21 | May 25 – Sep 14 | 70–90 |
| Peonies | — | Division | Apr 20 | — | Jun 15 – Jul 13 | 90–120 |
| Petunia | Feb 23 | — | Apr 13 | — | Jun 22 – Nov 9 | 70–90 |
| Phlox | Feb 23 | Apr 20 | Apr 20 | — | Jun 29 – Sep 7 | 80–110 |
| Portulaca | Mar 23 | Apr 6 | Apr 6 | — | May 25 – Nov 2 | 50–70 |
| Ranunculus | — | — | — | Sep 4 | Sep 18 – Oct 16 | 90–120 |
| Roses | Feb 16 | — | Apr 13 | — | Jun 22 – Nov 23 | 90–180 |
| Salvia | Feb 23 | — | Apr 6 | — | Jun 15 – Nov 16 | 70–90 |
| Sedum (Stonecrop) | Feb 23 | — | Apr 20 | — | Aug 10 – Nov 2 | 60–90 |
| Snapdragon | Feb 9 | Mar 9 | Mar 30 | Aug 21 | Jun 8 – Oct 12 | 70–100 |
| Sunflower | Mar 30 | Apr 6 | Apr 6 | — | Jun 29 – Nov 16 | 70–100 |
| Sweet Alyssum | Mar 9 | Mar 9 | Mar 30 | Sep 4 | May 11 – Sep 14 | 45–60 |
| Sweet Pea | — | — | — | Aug 28 | Nov 6 – Jan 15 | 65–85 |
| Tulips | — | — | — | Oct 2 | Sep 18 – Oct 16 | 15–30 |
| Vinca (Annual) | Feb 9 | — | Apr 6 | — | Jun 15 – Nov 16 | 70–90 |
| Yarrow | Feb 23 | Apr 6 | Apr 20 | — | Jun 22 – Nov 16 | 60–90 |
| Zinnia | Mar 23 | Apr 6 | Apr 6 | — | Jun 15 – Nov 16 | 60–70 |
Monthly Planting Guide for Keizer
ZIP Codes in Keizer
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 Marion County.
Your Marion County Garden Planner — Free
A 22-page printable planner built for Marion 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.
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