Planting calendar
April Planting Guide for Portland, OR: Raised Beds, Containers & In-Ground
April is an ideal month to plant cool-season vegetables and herbs in Portland, OR. Focus on direct sowing hardy crops and starting warm-season plants indoors to get a head start before the warmer months. Raised beds, containers, and in-ground gardens all benefit from soil preparation and timely planting this month.
Plant now (quick list)
Lettuce, Spinach, Radishes, Peas, Carrots, Kale, Broccoli, Beets
Plant now
- Lettuce
- Spinach
- Radishes
- Peas
- Carrots
- Kale
- Broccoli
- Beets
- Chard
- Onions (sets or seedlings)
Start indoors
- Tomatoes
- Peppers
- Eggplants
- Basil
- Cucumbers
- Melons
- Squash
- Pumpkins
Avoid
- Corn (too early, wait until soil warms)
- Beans (wait until mid to late April or May)
- Sweet potatoes (too cool)
- Tropical plants
- Tender annual flowers (until after last frost)
Next 2 weeks
- Harden off indoor seedlings before transplanting
- Monitor soil moisture to avoid waterlogging
- Mulch around early crops to retain moisture
- Prepare soil with compost for warm-season crops
- Watch for late frost warnings and protect young plants
FAQs
When is the last expected frost date in Portland, OR?
Typically, the last frost occurs between mid-April and early May, but it's best to monitor local forecasts closely.
Can I plant tomatoes directly in April?
It's safer to start tomatoes indoors in April and transplant them outdoors after the last frost when soil temperatures are warmer.
How often should I water raised beds in April?
Water when the top inch of soil feels dry, usually every 2-3 days, adjusting for rainfall and temperature.
Is it necessary to fertilize in April?
Yes, applying a balanced fertilizer or compost helps support early growth, especially in raised beds and containers.
What pests should I watch for in April?
Look out for slugs, aphids, and early-season caterpillars; use organic controls and keep the garden clean.
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