Jefferson Parish, LA — Planting Guide
This month in Jefferson Parish, Louisiana
Here's what deserves your attention in Jefferson Parish, Louisiana this month. Everything below is tailored to Zone 9b and timed around your local frost dates.
-
Start harvesting basil, cucumber, and green beans
Don't tug. Use scissors or pruners for clean cuts — torn stems invite disease.
Looking ahead to June
- First harvests: basil, peppers, and thai basil
Jefferson Parish is in USDA Zone 9b. The average last spring frost is January 27 and the first fall frost is December 18, giving you a growing season of approximately 326 days.
At an elevation of 314 ft, Jefferson Parish receives approximately 55.2 in of rainfall annually. Summer highs average 100°F with winter lows around 51°F. The predominant soil type is Sandy Loam.
Based on 24 years of NOAA climate station data, the last frost date here varies by 50 days year to year — ranging from January 14 in warm years to March 4 in cold years. The growing season is trending longer by about 4.33 days per decade. Jefferson Parish scores 41/100 (Moderate) on the Microclimate Index.
🌡️ Zone
9b (°F to °F min)
❄️ Last Frost
January 27
🍂 First Frost
December 18
📅 Growing Season
326 days
⛰️ Elevation
314 ft
🌧️ Annual Rainfall
55.2 in
Monthly Watering Calendar
When you'll need to water your garden — based on average monthly rainfall vs. the ~1 inch/week most gardens need.
View detailed monthly data
| Month | Avg Rainfall | Rainy Days | Extra Water Needed | Watering Effort |
|---|---|---|---|---|
| Jan | 4.6 in | 9 days | — | None |
| Feb | 4.4 in | 7 days | — | Low |
| Mar | 4.8 in | 11 days | — | Low |
| Apr | 4.4 in | 8 days | — | Low |
| May | 4.1 in | 9 days | 0.2 in | Low |
| Jun | 5.7 in | 12 days | — | Low |
| Jul | 5.9 in | 13 days | — | Low |
| Aug | 5.2 in | 9 days | — | Low |
| Sep | 3.6 in | 7 days | 0.7 in | Moderate |
| Oct | 3.7 in | 6 days | 0.6 in | Moderate |
| Nov | 4.8 in | 7 days | — | Low |
| Dec | 3.9 in | 10 days | — | None |
Annual total: 55.1 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.
Jefferson Parish Soil Profile
Soil Type
Sandy Loam
Soil pH
5-6.1
Drainage
Well Drained
Frost Risk Probability
Based on 24 years of NOAA weather station data from 2 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) | Mar 4 | Dec 25 | 296 days |
| Cautious | Feb 12 | Dec 22 | 313 days |
| Average year | Jan 27 | Dec 18 | 325 days |
| Optimistic | Jan 20 | Dec 8 | 322 days |
| Aggressive (risky) | Jan 14 | Nov 20 | 310 days |
Not very — frost dates can vary by ±50 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 4.3 days per decade). Spring is arriving earlier than it used to. Good news for gardeners.
Gardening Difficulty Score
Jefferson Parish presents some gardening challenges. Choose adapted varieties and plan around frost dates.
Local Gardening Help in Jefferson Parish
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 Jefferson Parish's climate and soil.
County Extension Office
Jefferson Parish LSU AgCenter Extension Extension Office
Phone: 225-578-4161
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 Jefferson Parish
Finding local nurseries & garden centers in Jefferson Parish
Why Buy Local
Local nurseries carry plants that are proven to grow in your area. Staff can give you advice specific to Jefferson Parish'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 Jefferson Parish LA" or "garden center Jefferson Parish" 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 Jefferson Parish LA" or check your extension office and local parks department. Facebook groups like "Jefferson Parish Gardeners" or "Louisiana 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
Monthly daylight hours and peak sun — critical for onion varieties, photoperiod-sensitive plants, and solar garden planning.
Longest Day
13.9 hours
Summer solstice daylight
Shortest Day
10.1 hours
Winter solstice daylight
Peak Sun Hours
8.5 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 shorter days favor short-day onion varieties like Vidalia, Texas 1015, and Red Creole. Plant in fall for best results.
View detailed monthly data
| Month | Daylight Hours | Peak Sun Hours | Day Length |
|---|---|---|---|
| January | 10.3 hr | 5.2 hr | Short day |
| February | 11 hr | 5.6 hr | Short day |
| March | 11.8 hr | 6.5 hr | Short day |
| April | 12.7 hr | 7.3 hr | Neutral |
| May | 13.5 hr | 8.1 hr | Neutral |
| June | 13.9 hr | 8.5 hr | Neutral |
| July | 13.7 hr | 7.7 hr | Neutral |
| August | 13.1 hr | 7.5 hr | Neutral |
| September | 12.2 hr | 6.9 hr | Neutral |
| October | 11.3 hr | 7.2 hr | Short day |
| November | 10.5 hr | 6.1 hr | Short day |
| December | 10.1 hr | 5 hr | Short day |
Peak sun hours factor in typical cloud cover — use these for solar panel and shade-planning calculations.
Soil Temperature & Composting Calendar
Monthly soil temps tell you when to plant warm-season crops, and when your compost pile is actively working.
Plant Warm Crops When
Soil reaches 60°F+
Soil warm enough from Apr through Nov.
Best Month to Compost
Apr
Microbial activity peaks when soil is warm.
Active Composting
12 months
Nearly year-round composting.
View detailed monthly data
| Month | Soil 4" Deep | Soil 8" Deep | Compost Activity | Time to Finish |
|---|---|---|---|---|
| Jan | 52°F | 58°F | ♻️ Active | ~14 weeks |
| Feb | 54°F | 57°F | ♻️ Active | ~14 weeks |
| Mar | 59°F | 64°F | ♻️ Active | ~14 weeks |
| Apr | 69°F | 69°F | 🔥 Peak | ~8 weeks |
| May | 76°F | 76°F | 🔥 Peak | ~8 weeks |
| Jun | 89°F | 84°F | 🔥 Peak | ~8 weeks |
| Jul | 95°F | 91°F | 🔥 Peak | ~8 weeks |
| Aug | 96°F | 91°F | 🔥 Peak | ~8 weeks |
| Sep | 88°F | 88°F | 🔥 Peak | ~8 weeks |
| Oct | 81°F | 81°F | 🔥 Peak | ~8 weeks |
| Nov | 70°F | 72°F | 🔥 Peak | ~8 weeks |
| Dec | 56°F | 65°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 Jefferson Parish
Computed from local climate patterns — warmer, humid conditions increase pest generations and fungal disease risk.
Insect Pest Pressure
High — expect multiple pest generations. Preventative measures essential.
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 | Feb, Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| Whiteflies | High | Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| Spider mites | High | May, Jun, Jul, Aug, Sep, Oct |
| Fire ants | High | Mar, Apr, May, Jun, Jul, Aug, Sep, Oct, Nov |
| Thrips | Moderate | Apr, May, Jun, Jul, Aug |
| Leaf miners | Moderate | Mar, Apr, May, Jun |
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 Jefferson Parish
Cover crops protect bare soil, fix nitrogen, suppress weeds, and improve soil structure — with county-specific planting dates.
Spring Cover Crops (4 options) — Build soil before the main growing season
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Buckwheat | Feb 6 | Oct 16 | — | Rapid growth, attracts pollinators, suppresses weeds |
| Cowpeas (southern peas) | Jan 27 | Oct 23 | ✓ Yes | Excellent nitrogen fixer for warm climates, edible |
| Sorghum-sudan grass | Feb 3 | Oct 16 | — | Massive biomass, breaks compaction, suppresses nematodes |
| White clover | Dec 30 | Oct 23 | ✓ 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 | Feb 12 | Dec 4 | — | Deep roots break compaction, attract pollinators and beneficial insects |
Fall Cover Crops (4 options) — Plant after harvest to protect soil over winter
| Crop | Plant By | Terminate | N-Fixing | Soil Benefit |
|---|---|---|---|---|
| Austrian winter peas | Oct 23 | Jan 6 | ✓ Yes | Fixes nitrogen, good for heavy clay soils |
| Crimson clover | Oct 17 | Jan 13 | ✓ Yes | Fixes nitrogen, attracts pollinators in spring |
| Daikon radish | Oct 30 | Jan 13 | — | Deep taproot breaks compaction, excellent for clay soils |
| Hairy vetch | Oct 2 | Jan 13 | ✓ Yes | Excellent nitrogen fixer, good for depleted soils |
Wind & Microclimate
Wind dries soil, stresses plants, and affects frost patterns. Understanding your exposure helps with garden placement.
Seasonal Wind Speed
Spring: 9 mph Summer: 7 mph
Fall: 8 mph Winter: 8 mph
Prevailing wind: SW. Low wind — no windbreak needed for most crops.
Windbreak Benefit
2.7/10
Low need — wind is not a major factor in your garden planning.
Frost Pocket Risk
Moderate
Some terrain variation (593 ft range). Garden on slopes or higher ground if possible to avoid late-season frost pockets.
Rainwater Harvesting Potential
How much water you can collect, when to collect it, and what size system you need for your garden.
Annual Collection
27,461 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 250 gal tank.
Legal Status
Unrestricted
Rainwater harvesting is fully legal in your state with no restrictions.
Best Collection Months
Mar, Jun, Jul, Aug
Highest rainfall months — your barrels will fill up quickly during these months.
Months to Draw From Storage
Sep, Oct, Dec
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 55.1 inches of rain per year
- A 1,000 sq ft roof can collect roughly 27,461 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
Soil & Growing Conditions in Jefferson Parish
Soil Type
Sandy Loam
Soil pH 5–6.1 · Somewhat Poorly Drained drainage
Raised beds strongly recommended here — native soil drainage or texture limits in-ground options.
Watering Needs
Drought stress: 5.5/10
Moderate drought pressure. Drip irrigation and mulching are highly recommended to maintain soil moisture through summer.
Season Tips
326-day frost-free season
Your long season supports multiple successions and heat-demanding crops like melons, sweet potatoes, and peppers. Plant warm-season crops as soon as soil warms.
Your Free Printable Garden Planner
Plan every bed, every planting, every harvest — in one place. This 24-page printable includes your zone's planting calendar, a month-by-month task list, a seed inventory tracker, a harvest log, and succession-planting charts. Built to print, write in, and actually use all season.
Recommended for Your Garden
Reduce heat stress and sun scorch in hot climates with UV-stabilized shade cloth.
Retain moisture and nutrients in sandy soils with expanded vermiculite.
Test your soil pH, nitrogen, phosphorus, and potassium levels before planting.
🥬 Vegetables to Grow in Jefferson Parish
115 vegetables that grow well in Zone 9b with planting dates for Jefferson Parish.
Show all 115 vegetables with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Acorn Squash | Dec 30 | Jan 27 | Feb 3 | Apr 28 – Jun 2 | 80–100 |
| Amaranth | Dec 16 | Jan 27 | Feb 3 | May 5 – Jun 23 | 90–120 |
| Artichoke | — | — | Feb 10 | Jun 16 – Aug 25 | 120–180 |
| Arugula | Dec 30 | Jan 6 | Jan 27 | Mar 3 – May 5 | 30–50 |
| Asparagus | — | — | Feb 10 | — | 730–1095 |
| Beets | — | Jan 6 | — | Mar 3 – Mar 31 | 50–70 |
| Belgian Endive | Dec 30 | Jan 6 | Jan 27 | May 19 – Jul 14 | 110–150 |
| Bitter Melon | Dec 16 | Jan 27 | Feb 3 | Apr 7 – May 19 | 60–90 |
| Black Beans | — | Feb 3 | — | May 5 – Jun 23 | 90–120 |
| Bok Choy | Dec 30 | Jan 6 | Jan 27 | Mar 10 – Apr 14 | 40–60 |
| Broccoli | Dec 30 | Jan 6 | Jan 27 | Mar 31 – May 12 | 60–90 |
| Broccoli Rabe | Dec 30 | Jan 6 | Jan 27 | Mar 10 – Apr 14 | 40–60 |
| Brussels Sprouts | Dec 30 | Jan 6 | Jan 27 | Apr 28 – Jun 23 | 90–130 |
| Butternut Squash | Dec 30 | Jan 27 | Feb 3 | May 5 – Jun 9 | 85–110 |
| Cabbage | Dec 30 | Jan 6 | Jan 27 | Mar 31 – May 26 | 60–100 |
| Calabash | Dec 16 | Jan 27 | Feb 3 | Apr 28 – Jun 23 | 80–120 |
| Cardoon | — | — | Feb 10 | Jun 16 – Jul 28 | 120–150 |
| Carrots | — | Jan 6 | — | Mar 10 – Apr 14 | 60–80 |
| Cauliflower | Dec 30 | Jan 6 | Jan 27 | Mar 24 – May 26 | 55–100 |
| Celeriac | Dec 30 | Jan 6 | Jan 27 | May 12 – Jun 16 | 100–120 |
| Celery | Dec 30 | Jan 6 | Jan 27 | Apr 21 – Jun 16 | 80–120 |
| Celtuce | Dec 30 | Jan 6 | Jan 27 | Mar 31 – May 12 | 60–90 |
| Chard | Dec 30 | Jan 6 | Jan 27 | Mar 24 – May 12 | 50–60 |
| Chayote | Dec 16 | Jan 27 | Feb 3 | Jun 9 – Aug 18 | 120–180 |
| Chickpeas | Dec 30 | Jan 6 | Jan 27 | Apr 21 – Jun 2 | 80–110 |
| Chicory | Dec 30 | Jan 6 | Jan 27 | Mar 31 – May 12 | 60–85 |
| Chinese Cabbage | Dec 30 | Jan 6 | Jan 27 | Mar 24 – Apr 21 | 50–70 |
| Christmas Lima Beans | Dec 16 | Jan 27 | Feb 3 | Apr 28 – Jun 2 | 80–100 |
| Collard Greens | Dec 30 | Jan 6 | Jan 27 | Mar 24 – May 26 | 55–75 |
| Corn | — | Feb 3 | — | Apr 7 – Jun 2 | 60–100 |
| Cowpeas | — | Feb 3 | — | Apr 7 – May 19 | 60–90 |
| Cress | Dec 30 | Jan 6 | Jan 27 | Feb 10 – Mar 3 | 14–21 |
| Crookneck Squash | Dec 30 | Jan 27 | Feb 3 | Mar 24 – Apr 21 | 45–60 |
| Crosne | — | Jan 6 | — | Jun 9 – Aug 11 | 150–200 |
| Cucumber | Dec 30 | Jan 27 | Feb 3 | Mar 31 – May 26 | 50–70 |
| Daikon | — | Jan 6 | — | Mar 3 – Mar 31 | 50–70 |
| Delicata Squash | Dec 30 | Jan 27 | Feb 3 | Apr 28 – Jun 2 | 80–100 |
| Edamame | — | Feb 3 | — | Apr 21 – Jun 2 | 75–100 |
| Eggplant | Dec 16 | Jan 27 | Feb 3 | Apr 14 – Jun 16 | 65–85 |
| Endive | Dec 30 | Jan 6 | Jan 27 | Mar 17 – Apr 21 | 45–65 |
| Escarole | Dec 30 | Jan 6 | Jan 27 | Mar 24 – Apr 21 | 50–70 |
| Fava Beans | Dec 30 | Jan 6 | Jan 27 | Apr 14 – May 26 | 75–100 |
| Fennel | Dec 16 | Jan 27 | Feb 3 | Apr 7 – May 19 | 60–90 |
| Garlic | — | — | — | — | 90–240 |
| Ginger | Dec 16 | Jan 27 | Feb 3 | Oct 6 – Dec 1 | 240–300 |
| Green Beans | — | Feb 3 | — | Mar 31 – May 26 | 50–65 |
| Horseradish | — | — | Feb 10 | Jun 16 – Aug 25 | 120–180 |
| Hot Peppers | Dec 16 | Jan 27 | Feb 3 | Apr 14 – Jul 21 | 70–120 |
| Hubbard Squash | Dec 30 | Jan 27 | Feb 3 | May 19 – Jun 23 | 100–120 |
| Jicama | Dec 16 | Jan 27 | Feb 3 | Jun 9 – Aug 18 | 120–180 |
| Kabocha | Dec 30 | Jan 27 | Feb 3 | May 5 – Jun 2 | 85–100 |
| Kai Lan | Dec 30 | Jan 6 | Jan 27 | Mar 17 – Apr 14 | 45–60 |
| Kale | Dec 30 | Jan 6 | Jan 27 | Mar 24 – May 19 | 50–70 |
| Kidney Beans | — | Feb 3 | — | May 5 – Jun 9 | 85–110 |
| Kohlrabi | Dec 30 | Jan 6 | Jan 27 | Mar 17 – Apr 21 | 45–65 |
| Komatsuna | Dec 30 | Jan 6 | Jan 27 | Mar 3 – Apr 7 | 35–50 |
| Leeks | Dec 30 | Jan 6 | Jan 27 | Apr 28 – Jul 14 | 90–150 |
| Lentils | Dec 30 | Jan 6 | Jan 27 | Apr 21 – Jun 2 | 80–110 |
| Lettuce | Dec 30 | Jan 6 | Jan 27 | Mar 3 – May 12 | 30–60 |
| Lima Beans | — | Feb 3 | — | Apr 7 – May 19 | 60–90 |
| Loofah | Dec 16 | Jan 27 | Feb 3 | May 19 – Jul 21 | 100–150 |
| Luffa | Dec 16 | Jan 27 | Feb 3 | May 5 – Jul 21 | 90–150 |
| Mache | Dec 30 | Jan 6 | Jan 27 | Mar 10 – Apr 14 | 40–60 |
| Malabar Spinach | Dec 16 | Jan 27 | Feb 3 | Mar 31 – Apr 28 | 55–70 |
| Melon | Dec 30 | Jan 27 | Feb 3 | Apr 14 – Jun 2 | 70–100 |
| Microgreens | Dec 30 | Jan 6 | Jan 27 | Feb 3 – Mar 3 | 7–21 |
| Mitsuba | Dec 30 | Jan 6 | Jan 20 | Mar 17 – May 12 | 50–70 |
| Mizuna | Dec 30 | Jan 6 | Jan 27 | Mar 3 – Mar 31 | 30–45 |
| Mustard Greens | Dec 30 | Jan 6 | Jan 27 | Mar 3 – May 5 | 30–50 |
| Napa Cabbage | Dec 30 | Jan 6 | Jan 27 | Mar 24 – Apr 28 | 55–75 |
| New Zealand Spinach | Dec 16 | Jan 27 | Feb 3 | Mar 31 – Apr 28 | 55–70 |
| Okra | Dec 16 | Jan 27 | Feb 3 | Mar 31 – May 26 | 50–65 |
| Onion | Dec 30 | Jan 6 | Jan 27 | Apr 28 – Jun 16 | 90–120 |
| Pac Choi | Dec 30 | Jan 6 | Jan 27 | Mar 10 – Apr 7 | 40–55 |
| Parsnip | — | Jan 6 | — | Apr 21 – Jun 2 | 100–130 |
| Patty Pan Squash | Dec 30 | Jan 27 | Feb 3 | Mar 24 – Apr 21 | 45–60 |
| Peas | Dec 30 | Jan 6 | Jan 27 | Mar 24 – May 19 | 55–70 |
| Peppers | Dec 16 | Jan 27 | Feb 3 | Apr 7 – Jun 16 | 60–90 |
| Pole Beans | Dec 16 | Jan 27 | Feb 3 | Mar 31 – May 26 | 55–70 |
| Potatoes | Dec 16 | Jan 27 | Feb 3 | Apr 14 – Jun 23 | 70–120 |
| Pumpkin | Dec 30 | Jan 27 | Feb 3 | May 5 – Jun 23 | 85–120 |
| Purslane | Dec 30 | Jan 6 | Jan 27 | Mar 10 – Apr 14 | 40–60 |
| Radicchio | Dec 30 | Jan 6 | Jan 27 | Mar 31 – May 5 | 60–80 |
| Radish | — | Jan 6 | — | Feb 3 – Feb 24 | 22–35 |
| Romanesco | Dec 30 | Jan 6 | Jan 27 | Apr 14 – May 26 | 75–100 |
| Rutabaga | — | Jan 6 | — | Mar 31 – May 5 | 80–100 |
| Salsify | — | Jan 6 | — | Apr 21 – Jun 2 | 100–130 |
| Savoy Cabbage | Dec 30 | Jan 6 | Jan 27 | Apr 7 – Jun 2 | 70–110 |
| Scallions | Dec 30 | Jan 6 | Jan 27 | Mar 24 – Apr 21 | 50–70 |
| Scarlet Runner Beans | Dec 16 | Jan 27 | Feb 3 | Apr 7 – May 12 | 60–80 |
| Shallot | Dec 30 | Jan 6 | Jan 27 | Apr 28 – Jun 16 | 90–120 |
| Shiso | Dec 16 | Feb 3 | Feb 3 | Mar 31 – May 26 | 50–70 |
| Snap Peas | Dec 16 | Jan 27 | Feb 3 | Mar 31 – May 26 | 55–70 |
| Snow Peas | Dec 30 | Jan 6 | Jan 27 | Mar 24 – May 19 | 50–65 |
| Soybeans | — | Feb 3 | — | Apr 28 – Jun 23 | 80–120 |
| Spaghetti Squash | Dec 30 | Jan 27 | Feb 3 | May 5 – Jun 2 | 85–100 |
| Spinach | Dec 30 | Jan 6 | Jan 27 | Mar 3 – May 5 | 35–50 |
| Squash (Summer) | Dec 30 | Jan 27 | Feb 3 | Mar 24 – May 26 | 45–65 |
| Squash (Winter) | Dec 30 | Jan 27 | Feb 3 | Apr 28 – Jun 23 | 80–120 |
| Sunchoke | — | — | Feb 10 | Jun 2 – Jul 28 | 110–150 |
| Sunflower | Dec 16 | Jan 27 | Feb 3 | Apr 14 – Jun 2 | 70–100 |
| Sweet Corn | — | Feb 3 | — | Apr 7 – May 19 | 60–90 |
| Sweet Potatoes | Dec 16 | Jan 27 | Feb 3 | May 5 – Jun 23 | 90–120 |
| Tatsoi | Dec 30 | Jan 6 | Jan 27 | Mar 3 – Apr 7 | 35–50 |
| Tomatillo | Dec 16 | Jan 27 | Feb 3 | Apr 7 – Jun 16 | 60–85 |
| Tomatoes | Dec 16 | Jan 27 | Feb 3 | Apr 7 – Jun 16 | 60–85 |
| Turmeric | Dec 16 | Jan 27 | Feb 3 | Oct 6 – Dec 1 | 240–300 |
| Turnip | — | Jan 6 | — | Feb 17 – Mar 24 | 40–60 |
| Watercress | Dec 30 | Jan 6 | Jan 27 | Mar 10 – Apr 14 | 40–60 |
| Watermelon | Dec 30 | Jan 27 | Feb 3 | Apr 14 – Jun 2 | 70–100 |
| Wax Beans | — | Feb 3 | — | Mar 31 – May 26 | 50–65 |
| Winter Melon | Dec 16 | Jan 27 | Feb 3 | May 5 – Jun 23 | 90–120 |
| Yam | Dec 16 | Jan 27 | Feb 3 | Aug 4 – Dec 1 | 180–330 |
| Yard Long Beans | Dec 16 | Jan 27 | Feb 3 | Mar 31 – May 12 | 55–80 |
| Zucchini | Dec 30 | Jan 27 | Feb 3 | Mar 24 – May 19 | 45–60 |
🍓 Fruits to Grow in Jefferson Parish
24 fruits that grow well in Zone 9b with planting dates for Jefferson Parish.
Show all 24 fruits with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Alpine Strawberries | — | — | Feb 10 | May 12 – Aug 25 | 90–180 |
| Blackberries | — | — | Feb 10 | — | 365–730 |
| Boysenberries | — | — | Feb 10 | — | 365–730 |
| Cantaloupe | — | — | Feb 10 | Apr 21 – May 26 | 70–90 |
| Che Fruit | — | — | Feb 10 | — | 1095–1825 |
| Dragon Fruit | — | — | Feb 10 | — | 365–730 |
| Elderberries | — | — | Feb 10 | — | 730–1095 |
| Figs | — | — | Feb 10 | — | 730–1825 |
| Goji Berries | — | — | Feb 10 | — | 730–1095 |
| Grapes | — | — | Feb 10 | — | 730–1095 |
| Ground Cherry | — | — | Feb 10 | Apr 21 – Jun 16 | 65–80 |
| Guava | — | — | Feb 10 | — | 365–730 |
| Honeydew | — | — | Feb 10 | May 5 – Jun 16 | 80–110 |
| Kiwi | — | — | Feb 10 | — | 1095–1825 |
| Loquat | — | — | Feb 10 | — | 730–1825 |
| Mulberries | — | — | Feb 10 | — | 730–1825 |
| Passion Fruit | — | — | Feb 10 | — | 365–545 |
| Pawpaw | — | — | Feb 10 | — | 1095–2555 |
| Persimmon | — | — | Feb 10 | — | 1095–2555 |
| Pomegranate | — | — | Feb 10 | — | 730–1095 |
| Quince | — | — | Feb 10 | — | 1095–1825 |
| Raspberries | — | — | Feb 10 | — | 365–730 |
| Serviceberries | — | — | Feb 10 | — | 730–1095 |
| Strawberries | — | — | Feb 10 | May 12 – Dec 8 | 90–365 |
🌿 Herbs to Grow in Jefferson Parish
40 herbs that grow well in Zone 9b with planting dates for Jefferson Parish.
Show all 40 herbs with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Anise | Dec 30 | Jan 6 | Jan 20 | Apr 21 – Jul 7 | 90–120 |
| Basil | Dec 16 | Feb 3 | Feb 3 | Mar 31 – Jun 2 | 50–75 |
| Bee Balm | — | — | Feb 3 | May 5 – Jul 21 | 90–120 |
| Borage | Dec 30 | Jan 6 | Jan 20 | Mar 17 – May 5 | 50–60 |
| Caraway | Dec 30 | Jan 6 | Jan 20 | — | 365–450 |
| Catnip | — | — | Feb 3 | Apr 7 – Jun 9 | 60–80 |
| Chamomile | Dec 30 | Jan 6 | Jan 20 | Mar 24 – Jun 2 | 60–90 |
| Chervil | Dec 30 | Jan 6 | Jan 20 | Mar 3 – May 5 | 40–60 |
| Chives | — | — | Feb 3 | Apr 7 – Jun 16 | 60–90 |
| Cilantro | Dec 30 | Jan 6 | Jan 20 | Mar 3 – May 5 | 40–60 |
| Comfrey | — | — | Feb 3 | Apr 7 – Jun 16 | 60–90 |
| Cumin | Dec 30 | Jan 6 | Jan 20 | May 5 – Jul 7 | 100–120 |
| Dill | Dec 30 | Jan 6 | Jan 20 | Mar 3 – May 5 | 40–60 |
| Echinacea | — | — | Feb 3 | Jun 9 – Sep 15 | 120–180 |
| Epazote | Dec 16 | Feb 3 | Feb 3 | Mar 24 – May 19 | 45–60 |
| Fennel (herb) | Dec 30 | Jan 6 | Jan 20 | Mar 24 – Jun 2 | 60–90 |
| Feverfew | — | — | Feb 3 | May 5 – Jul 21 | 90–120 |
| Garlic Chives | — | — | Feb 3 | Apr 7 – Jun 16 | 60–90 |
| Horehound | — | — | Feb 3 | Apr 21 – Jun 16 | 75–90 |
| Hyssop | — | — | Feb 3 | Apr 14 – Jun 16 | 70–90 |
| Lavender | — | — | Feb 3 | May 5 – Oct 6 | 90–200 |
| Lemon Balm | — | — | Feb 3 | Apr 7 – May 26 | 60–70 |
| Lemon Thyme | — | — | Feb 3 | Apr 14 – Jun 16 | 70–90 |
| Lemon Verbena | Dec 16 | Feb 3 | Feb 3 | Apr 7 – Jun 16 | 60–90 |
| Lemongrass | Dec 16 | Feb 3 | Feb 3 | Apr 21 – Jul 21 | 75–120 |
| Marjoram | — | — | Feb 3 | Apr 7 – Jun 16 | 60–90 |
| Mint | — | — | Feb 3 | Apr 7 – Jun 16 | 60–90 |
| Oregano | — | — | Feb 3 | Apr 7 – Jun 16 | 60–90 |
| Parsley | Dec 30 | Jan 6 | Jan 20 | Mar 24 – May 26 | 60–80 |
| Rosemary | — | — | Feb 3 | Apr 28 – Sep 15 | 80–180 |
| Rue | — | — | Feb 3 | Apr 14 – Jun 16 | 70–90 |
| Sage | — | — | Feb 3 | Apr 21 – Jun 16 | 75–90 |
| Savory | — | — | Feb 3 | Mar 31 – May 26 | 50–70 |
| Sorrel | Dec 30 | Jan 6 | Jan 20 | Mar 3 – May 5 | 40–60 |
| Stevia | Dec 16 | Feb 3 | Feb 3 | Apr 7 – Jun 16 | 60–90 |
| Tarragon | — | — | Feb 3 | Apr 7 – Jun 16 | 60–90 |
| Thai Basil | Dec 16 | Feb 3 | Feb 3 | Mar 31 – Jun 2 | 50–75 |
| Thyme | — | — | Feb 3 | Apr 14 – Jun 16 | 70–90 |
| Valerian | — | — | Feb 3 | Jun 9 – Sep 15 | 120–180 |
| Yarrow | — | — | Feb 3 | May 5 – Jul 21 | 90–120 |
🌸 Flowers to Grow in Jefferson Parish
1 flowers that grow well in Zone 9b with planting dates for Jefferson Parish.
Show all 1 flowers with planting dates
| Plant | Start Indoors | Direct Sow | Transplant | Harvest | Days to Maturity |
|---|---|---|---|---|---|
| Marigolds | Mar 3 | Jan 6 | Jan 6 | Mar 3 – Aug 25 | 50–70 |
Monthly Planting Guide for Jefferson Parish
Gardening Guides & Resources
Helpful guides from The Ultimate Homestead to improve your garden in Jefferson Parish.
Frequently Asked Questions
What planting zone is Jefferson Parish, LA?
Jefferson Parish is in USDA Hardiness Zone 9b. This zone classification determines which perennial plants survive winter and sets the baseline for frost timing across the county.
When is the last frost in Jefferson Parish, LA?
Based on 24 years of NOAA weather station data, the median last spring frost in Jefferson Parish falls around January 27. In 8 out of 10 years, last frost lands between January 14 and March 4 — a 50-day window of variability. Use March 4 as your conservative safe-to-plant date for frost-sensitive crops.
When is the first fall frost in Jefferson Parish, LA?
The median first fall frost in Jefferson Parish arrives around December 18. In cold years it can arrive as early as November 20; in mild years as late as December 25. Harvest or protect frost-sensitive crops — tomatoes, peppers, basil, squash — before this date.
How long is the growing season in Jefferson Parish?
Jefferson Parish has a frost-free growing season of approximately 326 days. This long season supports multiple succession plantings and warm-season crops that need extended heat, like sweet potatoes and melons. Climate records show the growing season is trending longer by about 4.33 days per decade.
What is the soil like in Jefferson Parish for gardening?
Jefferson Parish has predominantly Sandy Loam soil with a pH range of 5–6.1 and Somewhat Poorly Drained drainage. The native soil conditions make raised beds a particularly good investment here — they let you control drainage and fertility independent of the ground soil.
What is grown commercially in Jefferson Parish?
Jefferson Parish has commercial agriculture that includes Soybeans, Sugarcane, Rice, Corn, Cattle. These crops reflect the local climate and soil conditions — what succeeds commercially often translates well to home gardens in the same area.
Is Jefferson Parish a good location for home gardening?
Jefferson Parish scores 41/100 (Moderate) on our Microclimate Index, which combines frost reliability, drought pressure, soil challenge, elevation risk, and long-term climate trend. Gardening here benefits from close attention to frost timing and season extension due to the challenging microclimate factors.
Your Jefferson Parish Garden Planner — Free
A 24-page printable planner built for Jefferson Parish (Zone 9b). 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