Costco Wedding Flowers: An Honest Guide to DIY Bulk Flowers

Plenty of Canadian couples look at a florist's quote, then look at the bulk flowers sold by Costco online and in some warehouses, and wonder whether they could do the whole wedding themselves. Sometimes the answer is yes. Sometimes it turns the day before the wedding into a very long night in the kitchen.

This is a fair look at both sides. We're a flower delivery service, not Costco, so we won't quote their prices, pack sizes or policies; those change, so check Costco directly. What we can tell you is what DIY wedding flowers actually involve, who they suit, and where a florist fits. For the bigger picture, start with our guide to wedding flowers in Canada.

Are Costco wedding flowers right for you?

Buying wedding flowers from Costco usually means buying flowers in bulk: boxes of loose stems that arrive with leaves on, ready to be processed and arranged, rather than finished designs. That works best for couples who:

• Have a simple palette, such as all white or white and green, so a few flower types cover everything.
• Have reliable helpers who'll give up an evening or two the week of the wedding.
• Have cool space: a basement, garage or spare room that stays cool but above freezing, with room for a lot of buckets.
• Enjoy the work, or at least won't resent it while also managing seating charts and out-of-town guests.
• Are flexible on the look, since bulk flowers can vary in shade and opening stage from the photos.

The trade-offs of DIY wedding flowers

None of these are deal-breakers, but all of them are real:

• Timing: flowers need to arrive early enough to open, usually a few days before, but not so early that they peak too soon.
• Processing: every stem needs unwrapping, stripping, recutting and a long drink before it's usable. That's hours of work before any arranging starts.
• Labour: bouquets, boutonnieres and centrepieces take longer than most people expect, especially the first few.
• Cooler space: a home fridge holds very little, and flowers kept next to fruit age faster because ripening fruit releases ethylene.
• No design service: nobody is checking proportions, recommending substitutes or fixing a bouquet that isn't working.
• No backup: if a box arrives damaged or a colour is off, solving it falls to you in the final days before the wedding.
• Transport and setup: someone has to move dozens of arrangements to the venue and place them, often within a tight window.

A DIY wedding flowers timeline

If you go ahead, plan it like a small project:

• Two to three months out: decide on a palette, count tables and attendants, and buy vases, shears, floral tape and ribbon. Our guides to flower vases and flower frogs help here.
• A few weeks out: do a practice run with grocery-store flowers. Time yourself making one centrepiece and one bouquet.
• Three or four days out: receive the flowers, process them and leave them in deep water somewhere cool to open.
• Two days out: make centrepieces, which sit happily in water.
• The day before: make bouquets and boutonnieres last, keep them in water or cool storage, and hand delivery and setup to someone who isn't getting married.

Flowers that suit DIY

Some flowers forgive beginners; others don't. Roses and spray roses are sturdy, open predictably and come in every shade of white. Carnations, baby's breath, stock and eucalyptus are tough and fill space. Hydrangeas give a lot of volume per stem but are thirsty and can wilt dramatically out of water; submerging a drooping head in cool water for an hour often revives it. Our hydrangea guide and rose guide cover their care.

If you're going all white, our white wedding flowers guide covers which whites pair well, and how to arrange flowers walks through the basics of building a centrepiece.

How much do wedding flowers cost?

There's no honest single number, because the cost depends on how many people carry flowers, how many tables you have, the ceremony pieces, the season, your flower choices and how much labour, delivery and setup is involved. In most florist quotes, a large share of the price is design time and labour, not just stems.

DIY replaces that labour with your own time, but it adds costs people forget: vases, tools, ribbon, buckets, extra stems for breakage (ordering roughly ten to fifteen percent more than you need is a common rule of thumb), and sometimes a rental van. Get a florist quote for comparison before you decide, even if you expect to DIY.

Where a florist fits instead

Some pieces are worth handing to a professional even on a tight budget:

• The bridal bouquet, which is in every photo and has to hold up out of water for hours. See our guide to wedding bouquet flowers.
• Boutonnieres and corsages, which need wiring and taping skills to stay put.
• Arches and large installations, which need mechanics, ladders and setup time. See wedding arch and cake flowers.
• Weddings far from home, where you can't process flowers on site.

The hybrid: DIY centrepieces, florist bouquets

The approach many couples land on is a split. DIY the reception centrepieces, which are forgiving, sit in water and can be made two days ahead, and book a florist for the personal flowers: the bridal bouquet, attendants' bouquets and boutonnieres. You keep most of the savings and take the most stressful, most photographed pieces off your plate.

There are also smaller wedding-week orders that don't need a contract. Flowers for the bridal shower, a thank-you for each set of parents, or a vase for the getting-ready suite can simply be delivered. The White Rose Bouquet and Isle of White suit an all-white wedding, and the Silver Elegance Centerpiece, with white hydrangea and taper candles, works for a winter head table. After the day, our guide on how to preserve wedding flowers covers keeping the bouquet.

Sending wedding-week flowers anywhere in Canada

Flowers on Demand delivers across every province and territory through a network of local florists, who arrange and hand-deliver each order. Delivery is a flat $19.99. For same-day delivery, order before 1:00 PM in the recipient's time zone, Monday to Saturday; there's no Sunday delivery.

Start with our centrepieces, or find the town you're sending to on our delivery cities page. Local florists occasionally swap a stem for one of similar style and value when a flower is short, so if one flower matters most, say so in the card or delivery note.