SPRING MEADOW FARMS 15513 Hanover Pike (Route 30), Upperco. 410-239-8505. http://www.springmeadowfarms.com/ . Produce market and garden center open Monday-Thursday 9 to 7, Friday-Sunday 9 to 8. Closes Oct. 31; reopens mid-March. The Fall Harvest Festival runs weekends 10 to 5 through Oct. 29. A new "Agricational" hayride, $1, includes stops with information about farming. Other highlights, geared toward ages 2 to 12, include a large inflatable haunted house, $2; pony rides, $3; pedal tractors, $2 for five minutes; an inflatable farm train maze, $1; and a straw maze, $1. A wristband for unlimited play costs $15. Scarecrow making, all materials provided, is $15. Admission is free to the children's farm zoo and straw piles for jumping.
WEBER'S CIDER MILL FARM 2526 Proctor Lane, Baltimore. 410-668-4488. http://www.webersfarm.com/ . Market hours daily 9 to 8 through Oct. 30, 9 to 6 starting Oct. 31; other hours vary seasonally. Fall activities are daily 9:30 to 6:30 through Oct. 31. New highlights include a hillside slide and pedal tractors. Admission -- $7 ages 2-17 and $4 ages 18 and older on weekends, $5 and $3 on weekdays -- also includes such activities as a hayride, giant hay maze, Boo Barn filled with friendly characters, Pumpkinland, farm animals and mini hay maze and straw crawl. Daily scarecrow workshops cost $15 ($1 discount if you bring a shirt, $1.50 discount if you bring pants).
Calvert County
SPIDER HALL FARM 3915 Hallowing Point Rd., Prince Frederick. Take Route 4 to Prince Frederick. Turn right onto Route 231 and travel about 3.5 miles to the farm on the right. 410-535-5819. Opens Saturdays 10 to 6 or dark and Sundays 1 to 6 or dark through Nov. 12. This working corn and soybean farm, with a farmhouse dating to 1900, offers a hayride and an eight-acre corn maze cut in a design featuring spider webs; $5 for each activity or $8 for a combo. The farm has pick-your-own pumpkins.
Carroll County
BAUGHER'S FARM ORCHARD MARKET 1236 Baugher Rd., off Route 140 west, Westminster. 410-857-0111 (recording with directions) or 410-848-5541. http://www.baughers.com/ . The market is open daily 8 to 6, 8 to 5 when daylight saving time ends, through Dec. 24; it reopens in late spring. Pick-your-own hours are Saturdays and Sundays 10 to 5 in October for pumpkins; call ahead to check on pick-your-own apple availability. A pumpkin-shaped moon bounce, $1, and free straw jump are geared toward young children. The 102-year-old family farm also offers other children's activities for nominal fees and hayrides to the pumpkin field, Saturdays and Sundays 10 to 5, $1, free for ages 3 and younger.
MAIZEFEST AT RIVER VALLEY RANCH 4443 Grave Run Rd., Manchester. 443-712-1010 or 800-285-0122. http://www.rivervalleyranch.com/ . Open Saturday noon to 6 and Oct. 14, 21 and 28 from noon to 9. $8, $6 ages 3 to 11, free for ages 2 and younger. This western-themed, Christian camp facility boasts a six-acre cowboy-themed maze. Admission also includes hayrides and kids' attractions, such as a kernel corn playpen, a mini straw maze and straw crawl. Other activities, such as an 80-foot zip-line ride and moon bounce, require additional fees.
QUALITY EVERGREENS 2020 Garrett Rd., Manchester. 410-374-1499. Open Saturdays and Sundays and Columbus Day 10 to 5 through Oct. 29; reopens Nov. 24 through Dec. 22 for Christmas trees. The Christmas tree farm's third annual Cornfusion maze features an easily navigated three-acre "A Pirate's Life for Me" design cut in a pirate ship shape. $7 ages 12 and older, $4 ages 3 to 11; free for ages 2 and younger. Other activities include a pumpkin slingshot, hayride and barnyard zoo. Pick your own pumpkins from a one-acre patch.
Charles County
MIDDLETON'S CEDAR HILL FARM 13290 Cedar Hill Pl. (Route 5), four miles south of Waldorf. From Prince George's County, take Route 301 south toward Waldorf/La Plata. Turn left onto Route 5 south at Waldorf and go 3.19 miles. Turn left onto Leonardtown Road (Route 5) south and go 2.57 miles. Turn left and look for the large spider on the side of the road. 301-645-8464. Open Saturdays and Sundays 10 to 5, Tuesday-Friday 10 to 5. During October, this working cattle, hay and pumpkin farm offers hayrides, $5, on weekends; also by appointment for groups on weekdays. Visitors also can look at farm animals and pick pumpkins.
SERENITY FARM INC. 6932 Serenity Farm Rd., Benedict. Take Route 5 south to Route 231 east. Turn left and go about six miles to the farm on the left. 301-399-0491 or 301-399-1634. http://www.serenityfarminc.com/ . Open Saturdays and Sundays 10 to 5 in October for the 10th annual Kasper's Kastle, a walk-through barn featuring themed, child-friendly rooms and a visit from "Kasper" the ghost. $7, free for ages 1 and younger, including a hayride; farm tour with several costumed characters such as SpongeBob SquarePants and Dora the Explorer; a Petting Pen; straw maze; pumpkin; and treat bag.
Frederick County
BROOKFIELD PUMPKINS 8302 Ramsburg Rd., Thurmont. 301-898-3527. http://www.brookfieldpumpkins.com/ . Open Monday-Thursday 3 to 6, Friday-Sunday 10 to 6 through Oct. 31. New this year, the dairy farm has a three-acre Corn Maze for the Cure. $5 for adults, $2.50 for children and free for cancer survivors. Fifty percent of the receipts will be donated to the Hurwitz Breast Cancer Fund. The farm also offers free hayrides to the pick-your-own pumpkin patch Friday-Sunday.
CRUMLAND FARMS 7612 Willow Rd., Frederick. 301-845-8099. http://www.crumland.com/ . Open Saturdays and Sundays noon to dusk through Oct. 31; also open Columbus Day noon to 4. $9 for ages 5 and older, free for ages 4 and younger. The former dairy farm's sixth annual corn maze features an eight-acre design cut in the shape of Mazey the Cow, the farm's mascot, as "Cowbert Einstein" in honor of the 100th anniversary of the Theory of Relativity. A hayride to a six- to eight-acre pick-your-own pumpkin patch is free with the purchase of a pumpkin. The farm also offers numerous children's activities. Visit http://www.frederickjaycees.com/HHR.htm for information about the Frederick Jaycees' Haunted Hayrides, held at the farm.
FAMILY FESTIVAL @ THE FARM Frederick County Office of Economic Development, 5340 Spectrum Dr., Suite A, Frederick. 301-694-1058 or 800-248-2296. http://www.discoverfrederickmd.com/funfarm . The Frederick County Office of Economic Development and the Agriculture Business Council Public Relations Committee sponsor this annual free, self-guided tour of 18 locations, including working farms, a vineyard, an orchard and a museum, Oct. 21 from 10 to 4 and Oct. 22 from noon to 4. Kid-pleasing highlights include petting zoos, hayrides, pony rides, horse shows, ice-cream making, storytelling, scarecrow making, guided nature hikes, face painting and more.