February Gardening Guide

Late Winter | Seed Starting Season Begins

February marks the true beginning of the gardening year. While winter still grips much of the country, the lengthening days signal it's time to start seeds indoors. This month is crucial for slow-growing crops like peppers and eggplant that need an early start to produce abundant harvests.

February Seed Starting Guide

Plant	Start Before Transplant	Germ. Temp	Days to Germinate	Light Needs
Peppers	8-10 weeks	80-85°F	10-21 days	14-16 hours under grow lights
Eggplant	8-10 weeks	75-85°F	7-14 days	14-16 hours under grow lights
Tomatoes	6-8 weeks	70-80°F	5-10 days	14-16 hours under grow lights
Onions	10-12 weeks	65-75°F	7-14 days	12-14 hours under grow lights
Celery	10-12 weeks	60-70°F	14-21 days	14-16 hours under grow lights

Peppers Tips

Heat mats speed germination dramatically. Keep soil consistently warm. Transplant to larger pots when first true leaves appear.

Eggplant Tips

Similar to peppers but slightly faster germination. Very frost-sensitive - don't rush transplanting outdoors.

Tomatoes Tips

Start late February in zones 7-8, March in colder zones. Pot up twice before transplanting for strongest plants.

Onions Tips

Trim tops to 3-4 inches to strengthen stems. Choose long-day varieties for northern zones, short-day for southern.

What to Plant in February by Zone

Zones 3-5

Cold/Very Cold

Start Indoors

Onions
Leeks
Celery
Peppers (late month)
Eggplant (late month)

Plant Outdoors

Nothing yet - ground still frozen

Harvest

Stored vegetables
Indoor herbs
Microgreens

Focus on indoor seed starting. Set up grow lights if you haven't already. This is the month to get slow-growing peppers and eggplant started.

Zones 6-7

Moderate Cold

Start Indoors

Peppers
Eggplant
Tomatoes (late month Zone 7)
Onions
Leeks
Celery
Artichokes

Plant Outdoors

Spinach under cover (late month)
Peas under cover (late month Zone 7)

Harvest

Cold frame greens
Indoor herbs
Overwintered spinach

Prime seed starting month! Start peppers and eggplant early in month, tomatoes late month. Prepare cold frames for early outdoor sowing.

Zones 8-9

Mild

Start Indoors

Tomatoes
Peppers
Eggplant
Melons
Squash (late month)

Plant Outdoors

Lettuce
Spinach
Kale
Peas
Potatoes
Onion sets
Brassica transplants

Harvest

Winter greens
Broccoli
Cabbage
Root vegetables
Herbs

Busy month! Continue cool-season planting outdoors while starting warm-season seeds indoors. Last chance for many cool-season crops before heat arrives.

Zones 10-11

Warm/Tropical

Start Indoors

Peppers
Eggplant
Tomatoes

Plant Outdoors

Beans
Corn
Squash
Cucumbers
Tomato transplants (late month)
Most vegetables

Harvest

Tomatoes
Peppers
Beans
Greens
Citrus
Herbs

Transition from cool to warm-season crops. Plant warm-season vegetables outdoors. Continue harvesting cool-season crops before they bolt.

February Maintenance Tasks

Seed Starting

Start peppers and eggplant under grow lights (8-10 weeks before transplant)
Sow onions and leeks if not started in January
Begin tomatoes in warmer zones (6-8 weeks before transplant)
Start celery and artichokes (10-12 weeks before transplant)
Check seed starting supplies - replace old seed starting mix
Set up heat mats for warm-germinating seeds
Label everything clearly with variety and date

Indoor Plant Care

Increase water slightly as days lengthen
Begin light fertilizing of actively growing plants
Prune leggy houseplants to encourage bushier growth
Check for pests - spider mites thrive in dry winter air
Rotate plants for even light exposure
Repot root-bound plants before spring growth surge
Take cuttings from herbs for propagation

Container Preparation

Clean and sanitize containers from last year
Order new containers if needed
Check stored potting soil for mold or pests
Inventory trellises, cages, and stakes
Test soil pH if reusing container soil
Amend old soil with fresh compost
Organize container storage area

Planning & Ordering

Finalize garden layout and planting schedule
Order remaining seeds before varieties sell out
Research companion planting combinations
Plan succession planting schedule
Calculate potting soil needs for the season
Schedule time for major planting days
Review notes from previous years

February Pest Watch

As seed starting ramps up, watch for pests and diseases that target young seedlings. Damping off is the biggest threat to new seedlings, while fungus gnats plague overwatered indoor plants.

Damping Off

Seedlings

Signs:

Seedlings collapse at soil line, stems appear pinched, fuzzy mold on soil

Prevention:

Use sterile seed starting mix, ensure good air circulation, don't overwater, avoid overcrowding

Treatment:

Remove affected seedlings immediately, improve drainage, reduce watering, apply chamomile tea spray

Fungus Gnats

Indoor plants and seedlings

Signs:

Tiny black flies hovering near soil, larvae in moist soil eating roots

Prevention:

Let soil dry between waterings, use yellow sticky traps, cover soil with sand

Treatment:

Bti (Mosquito Bits) in water, hydrogen peroxide drench, beneficial nematodes

Aphids

Indoor plants, cold frames, early seedlings

Signs:

Clusters of small insects on new growth, sticky residue, curled leaves

Prevention:

Inspect plants regularly, quarantine new plants, avoid over-fertilizing

Treatment:

Spray off with water, insecticidal soap, neem oil, introduce ladybugs

Whiteflies

Indoor plants, especially in warm rooms

Signs:

Tiny white flying insects when plant is disturbed, yellowing leaves, sticky honeydew

Prevention:

Inspect new plants, maintain good air circulation, use yellow sticky traps

Treatment:

Insecticidal soap, neem oil, vacuum adults, remove heavily infested leaves

Planning Ahead: Tips for Success

Calculate Your Seed Starting Dates

Use your last frost date to count backward. Peppers need 8-10 weeks, tomatoes 6-8 weeks, cool-season crops 4-6 weeks. Build in 1-2 weeks for hardening off. Create a calendar with specific sowing dates for each variety.

Plan Succession Planting

For continuous harvests, stagger plantings of quick crops like lettuce, radishes, and beans every 2-3 weeks. Plan which containers will be replanted after spring crops finish to maximize growing space.

Design Vertical Growing

February is the time to plan vertical structures. Decide which containers need trellises, cages, or stakes. Order supplies now so you're ready to install supports before plants need them.

Research New Varieties

Try at least one new variety this year. Look for disease-resistant tomatoes, compact peppers for containers, or unusual herbs. Read reviews and compare days to maturity for your growing season.

Frequently Asked Questions

What seeds should I start in February?

February is prime time to start slow-growing crops indoors: peppers (8-10 weeks before transplant), eggplant (8-10 weeks), onions and leeks (10-12 weeks), celery (10-12 weeks), and late-month tomatoes in warmer zones. These long-season crops need the early start to produce well before fall. Always count backward from your last frost date to determine exact timing.

Is February too early to start tomatoes?

It depends on your zone and last frost date. For zones 8-10, start tomatoes in mid-late February. For zones 5-7, wait until March to avoid leggy, root-bound seedlings. Tomatoes grow quickly and need only 6-8 weeks indoors. Starting too early creates stressed plants that perform poorly after transplanting.

Can I plant anything outside in February?

In zones 9-11, yes! Plant cool-season vegetables like lettuce, spinach, kale, peas, radishes, and brassicas. In zones 7-8, you can start cold-hardy crops under row covers late in the month. In zones 3-6, outdoor planting is still too early, but you can prepare beds and containers for spring.

How do I prevent leggy seedlings when starting seeds early?

Leggy seedlings result from insufficient light. Use grow lights positioned 2-4 inches above seedlings for 14-16 hours daily. Keep temperatures cool (65-70°F) after germination to prevent stretching. Provide gentle air circulation with a small fan. If seedlings stretch, bury stems deeper when transplanting (especially tomatoes and peppers).

What should I do to prepare containers for spring?

Clean containers with a 10% bleach solution to kill pathogens. Repair or replace damaged containers. Check drainage holes are clear. Order fresh potting mix - don't reuse soil from diseased plants. Inventory fertilizers, stakes, and cages. Set up a seed starting station with lights and heat mats.

When should I start hardening off seedlings started in February?

Hardening off begins 7-10 days before your planned transplant date. For February-started peppers and eggplant, this typically means late April to mid-May depending on zone. Don't rush - these warm-season crops need soil temperatures above 60°F and no frost risk before transplanting outdoors.

January All Months March

Get Your Seed Starting Schedule

Use our AI-powered garden planner to create a personalized seed starting calendar based on your location and last frost date.

Create Your Planting Schedule