Regional guide

Maine Coastal and Northern Vegetable Garden

A UMaine planting-window guide for central Maine dates, coastal and northern timing shifts, spring greens, warm transplants, and fall rows.

Regional timing

Current regional planting plan

A UMaine planting-window guide for central Maine dates, coastal and northern timing shifts, spring greens, warm transplants, and fall rows.

Maine Coast/North 153 frost-free days

May 15 last frost spring release Oct 15 first frost fall limit

UMaine Extension's planting chart gives central Maine vegetable planting windows and says the two listed dates are the earliest and latest safe dates.
For coastal Maine, UMaine says to plant 10-14 days earlier than the central Maine dates.
For northern Maine, UMaine says to plant 10-14 days later than the central Maine dates.

Source-backed timing May 15 final frost and October 15 first frost from the Rhode Island calendar.

Local coastal and urban sites can differ; use the dates as calendar defaults, not a frost guarantee.

Crop priority Provider Bush Bean leads the catalog examples

Provider Bush Bean, Detroit Dark Red Beet, Waltham 29 Broccoli, Golden Acre Cabbage

Next local check Use spinach as a two-season row in central Maine, with 4/10-5/10 and 7/1-8/1 planting windows before local adjustment.

Use peas 4/15-7/15, beets 4/25-8/1, and carrots 5/1-7/15 for long cool-season direct-sow planning.

Calendar Convert regional timing into dated sowing, transplant, and harvest jobs. Frost dates Keep hardiness zone context separate from local first and last frost dates. All regions Compare this guide with the broader regional atlas. Central NH A UNH Extension guide for central New Hampshire's Memorial Day frost baseline, indoor starts, soil temperatures, and sequence plantings.

UMaine Extension's planting chart gives central Maine vegetable planting windows and says the two listed dates are the earliest and latest safe dates.
For coastal Maine, UMaine says to plant 10-14 days earlier than the central Maine dates.
For northern Maine, UMaine says to plant 10-14 days later than the central Maine dates.

Use spinach as a two-season row in central Maine, with 4/10-5/10 and 7/1-8/1 planting windows before local adjustment.
Use peas 4/15-7/15, beets 4/25-8/1, and carrots 5/1-7/15 for long cool-season direct-sow planning.
Use broccoli, cabbage, and turnips in the 5/1-8/1 central Maine planting window where local timing applies.
Hold snap beans to 5/15-7/15 and corn to 5/15-7/1 before applying the coastal or northern adjustment.
Plan tomatoes and peppers for 5/25-6/20, eggplant for 6/1-6/15, cucumbers for 6/1-7/15, and winter squash and pumpkin for 5/20-6/10.

These catalog entries match crops covered by the regional timing source; variety-specific details remain tied to each seed entry's own source.

Central New Hampshire Memorial Day Vegetable Garden A UNH Extension guide for central New Hampshire's Memorial Day frost baseline, indoor starts, soil temperatures, and sequence plantings.
Vermont Frost-Relative Vegetable Garden UVM Extension Master Gardener Planting the Garden guide for Vermont vegetable timing by crop hardiness and frost-free-date spacing.
Massachusetts Extension Planting Chart Vegetable Garden A UMass Extension planting-chart guide for Massachusetts crop groups, frost risk, direct/transplant markers, succession, and regional timing shifts.
Connecticut Crop Planning Calendar Vegetable Garden UConn Extension crop planning calendar for Connecticut vegetable growers using frost-aware field timing, indoor starts, cover crops, and fall reset windows.
Rhode Island Planting Calendar Vegetable Garden URI Cooperative Extension calendar for Rhode Island gardeners using May 15/October 15 frost dates, method legend, and crop-row timing.