Mother's Day in Boston: flowers for the florists' third-busiest holiday
For US florists, Mother's Day is the third-busiest sales holiday: 26% of holiday transactions, against Valentine's Day's 30%. Mother's Day in Boston follows the same pattern, and JFLOO's Boston delivery page lists it among the days when orders run several times higher than usual. The second Sunday of May falls on a different date each year, so it helps to settle on the flowers and the format first and book a delivery slot afterwards.
Lilies, roses, hydrangea: her bouquet between tulips and peonies
Tulips in the Public Garden bloom from late April into early May, and Massachusetts farms don't start cutting peonies until late May into June. A Mother's Day Sunday usually falls in the gap between the two, so that week's bouquets lean on greenhouse flowers instead: lilies and lisianthus, which are cut year-round, plus roses to round out the shape.
A French rose looks fuller than an ordinary one because the florist opens it by hand, folding the outer petals back one at a time. Eleven Red French Roses and White Roses in Designer Wrapping both rely on that touch, and Roses with Lisianthus sets the same open rose against a softer, ruffled flower beside it.
If her home has a cat, lilies are worth leaving out of the order. Every part of the plant is toxic to cats, pollen and vase water included, which rules out a lily bouquet for a cat owner regardless of the arrangement. Once a lily has fully opened, the florist removes its anthers, which keeps the pollen off the petals as well.
Hydrangea paired with statice fills a bouquet out with a soft, cloud-like texture rather than another dominant bloom.

Hat box, basket or pot: what suits her Sunday at home
Mother's Day is also Lilac Sunday at the Arnold Arboretum, the one day of the year when picnics are allowed on its grounds. If she's likely to spend the day there rather than at home, booking delivery for a set date and time is simpler than guessing when she'll be back.
A basket arrangement stands on its own without a vase, its stems set in water-soaked floral foam. Watered daily with a thin stream across the whole surface, it lasts about as long as a hand-tied bouquet would in a vase, which makes it a steady pick for a kitchen table or a hallway. A boxed arrangement follows the same approach: it also stands without a vase, and the foam inside gets the same daily watering.
A potted plant skips the vase question altogether and stays in her home long after a cut bouquet would have faded.
A foil balloon stays full for several days, while a latex one lasts only about half a day, and either works as a balloon or a small gift added alongside the flowers.
If she's staying at a hotel or recovering on a hospital ward, those addresses follow their own rules, covered on the hotels and wards page.

Booking a few days ahead: Mother's Day flower delivery in Boston
Because Mother's Day in Boston brings several times the usual order volume, delivery slots widen and couriers stop promising an exact minute, which is why booking a few days ahead pays off. Orders for a chosen date and time are accepted into any of the delivery zones, and the earlier the booking goes in, the more slots are still open.
Delivery to the centre is free, while other neighbourhoods carry a fixed zone charge, so the total is clear before payment. Exact timing is worth checking on the order page itself rather than fixed in advance.
Florists photograph the finished bouquet before the courier leaves, and that photo is the sender's chance to ask for a change, a swapped colour or an extra stem, before it heads out the door.
A good place to start is roses for a hand-tied classic, flower baskets for a table that won't need a vase, or flowers in boxes for an arrangement that opens ready-made at her door.