When to Plant in York, PA

In York, Pennsylvania, garden planning revolves around key frost dates: the median last spring frost occurs on April 28, while the first fall frost typically arrives by October 13. With 168 frost-free days in between, gardeners have a sufficient window to grow a variety of crops. This time allows for multiple planting cycles throughout the growing season, which is a significant advantage for local gardeners looking to maximize their yield.

York's humid temperate (4 distinct seasons) microclimate provides an environment where crops such as tomatoes, peppers, and zucchini thrive. The warm summers and adequate rainfall allow these vegetables to flourish, producing bountiful harvests. However, crops like carrots and garlic may struggle due to the humidity, which can increase the risk of fungal diseases and root rot. It's important for gardeners to choose resistant varieties and practice soil management to mitigate these challenges.

What to plant now in York

Spring: Begin planting cool-season crops like lettuce, peas, and radishes as soon as the soil is workable in March. Transition to warm-season crops like tomatoes and peppers after April 28.
Summer: Continue sowing successions of bush beans and cucumbers. Harvest summer squash in July for best flavor. Ensure consistent watering during the hottest parts of summer to keep your crops thriving.
Fall: In late August, start planting fall crops such as kale and Brussels sprouts. Prepare to harvest these crops before the first frost on October 13 for optimal taste and texture.
Winter: While outdoor gardening slows, consider starting a small indoor herb garden. Herbs such as basil and parsley can thrive indoors. Use this time to plan for next year’s spring garden.

In York (168 frost-free days, a moderate season), 31 of 56 planner crops fit outright, 24 get two plantings, 1 crop is perennial.

Month by month in York

Month	What to do
January	January is a time for reflection and planning. Research the crops you want to grow and order seeds. Consider designing your garden layout to maximize sunlight exposure.
February	February continues with indoor planning. Start seeds for cool-weather crops indoors, like broccoli and cabbage, to be ready for transplanting once the ground thaws.
March	As March approaches, prepare garden beds for spring planting. The soil should be workable, and you can begin sowing peas and onions outdoors, enjoying the last of winter’s cool.
April	April is crucial; expect the last frost to occur around April 28. Begin transplanting seedlings started indoors and sow direct-seed crops such as carrots and radishes.
May	In May, as temperatures rise, ideally after April 28, plant warm-season crops like tomatoes and peppers. This month marks the onset of flowering for many perennials.
June	June welcomes summer warmth, great for growth. Regularly water crops, and harvest early vegetables like radishes and peas. Start succession planting to ensure a constant harvest.
July	July can be hot and humid, promoting growth for squashes and tomatoes. Gardeners should keep an eye on pest outbreaks and ensure crops receive enough moisture.
August	By August, prepare for fall planting. Start crops like spinach and fall carrots early in the month. This is also when summer harvests peak.
September	In September, continue harvesting successful crops. Start sowing for overwintering varieties like garlic. Monitor temperatures closely as fall approaches and prepare for cold.
October	October brings the first frost by October 13. Finish harvesting remaining crops, particularly tender varieties, before frost comes. Begin to prepare your garden for winter.
November	In November, clear away dead plants from the garden and apply mulch to protect perennials. This time is perfect for soil amendment and preparation for next year’s growing season.
December	December is quiet in the garden. Focus on maintaining tools, planning crops for the upcoming season, and considering starting a small winter herb garden indoors.

Frost dates for York ZIP codes

ZIP	Last spring frost (50%)	First fall frost (50%)	Zone
17403	April 28	October 13	7a
17404	April 28	October 13	7a
17408	April 28	October 13	7a

FAQ

When is the last frost in York?

The last spring frost in York typically occurs on April 28, which marks an important date for garden planning and crop planting.

What vegetables grow best in York?

Vegetables like tomatoes, peppers, and zucchini flourish in York's climate, especially during the warm summer months when they can be harvested at their peak.

When should I plant tomatoes in York?

Tomatoes should be planted after the last frost date, ideally in early May, once the soil and ambient temperatures are consistently warm.

Can I garden year-round in York?

While winter gardening is limited, you can grow certain crops indoors, such as herbs, or plan for next year's gardens in December.

How does Plan My Garden help York gardeners?

Plan My Garden offers tailored advice and resources that help York gardeners maximize their success, from frost dates to plant selections based on local climate.