Planting calendar
June Planting Guide for Portland, OR: Raised Beds, Containers & In-Ground Gardens
In June, Portland gardeners can focus on warm-season crops and herbs suitable for raised beds, containers, and in-ground planting. This is an ideal time to plant heat-tolerant vegetables and flowers while continuing to care for spring plantings. Be mindful of potential summer heat and occasional late frosts in early June.
Plant now (quick list)
Tomatoes, Peppers, Basil, Green beans, Zucchini, Cucumbers, Eggplants, Marigolds
Plant now
- Tomatoes
- Peppers
- Basil
- Green beans
- Zucchini
- Cucumbers
- Eggplants
- Marigolds
Start indoors
- Fall broccoli
- Brussels sprouts
- Kale
- Cauliflower
- Cabbage
- Leeks
Avoid
- Peas (too warm)
- Spinach (bolts quickly)
- Lettuce (bolts quickly)
- Potatoes (harvested or planted earlier)
- Cool-season root crops (e.g., carrots, beets)
Next 2 weeks
- Mulch to conserve moisture
- Monitor for aphids and slugs
- Pinch basil to encourage bushiness
- Stake tall plants like tomatoes and peppers
- Water deeply in early morning or late evening
FAQs
Can I still plant cool-season crops in June in Portland?
Early June is generally too warm for cool-season crops like lettuce and spinach, as they tend to bolt quickly. Instead, start fall crops indoors for transplanting later.
How often should I water raised beds and containers in June?
Water daily or as needed, especially containers which dry out faster. Early morning or late evening watering helps reduce evaporation.
Are there any pests I should watch for in June?
Yes, watch for aphids, slugs, and caterpillars. Regular inspection and organic controls help keep pests manageable.
Is it safe to transplant tomatoes and peppers outdoors in June?
Yes, by June the risk of frost is minimal in Portland, making it safe to transplant warm-season crops outdoors.
What flowers work well in containers during June?
Marigolds, petunias, and geraniums thrive in Portland containers during June, adding color and helping deter pests.
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