Halloween is the perfect time when florists can go a little bit more creative. A spooky flower bouquet features deep burgundy hues with a few touches of orange, arranged in odd textures like seed pods, hanging tassels, and curled petals. Fake cobwebs or skull-themed decorations can be added as well. The right stems can create a moody, seasonal look on your entry table that lasts a week or more. This guide outlines which Halloween flowers to consider, how long they will last, and how to make them look great in October.
Choose a Color Palette First
There are two main color schemes for Halloween decorations. The first is dark and dramatic: black-red, plum, chocolate, and deep wine with silver or gray foliage to contrast. The second is hotter. It's based on pumpkin orange and burgundy, and it's not too heavy on dark flowers, so it doesn't look like a Thanksgiving centerpiece.
Choose one prior to shopping. When five dark colors are combined with three shades of orange, it is often a "muddy" color, particularly in low evening light. A simple ratio to follow: 60% dark blooms, 30% foliage and texture, and 10% accent color. If the arrangement is to be placed in a dim hallway, include something more subdued like the dusty miller or the white scabiosa pods, as they tend to blend in with the rest of the room when the lights are low.
Dark Flowers That Set the Spooky Mood
True black flowers don’t exist in nature. What florists usually call “black” is likely to be a very deep red or purple color. These are the best choices of spooky Halloween flowers available in October:
- Black Baccara roses: velvety, almost black red roses with a classic shape.
- Calla lilies 'Schwarzwalder': smooth dark plum flowers, pure stems.
- Dahlias 'Karma Choc' and 'Arabian Night' are full, dark maroon-headed varieties.
- Chocolate cosmos: small maroon scary-looking flowers that smell faintly of cocoa
- Scabiosa 'Black Knight': dark purple pincushion flowers on wiry stems
If you're just getting into the dark color palette, black Baccara roses are the best option. They retain their shape, travel well, and last longer than most other dark flowers. Dahlias and chocolate cosmos are the most dramatic, but are not sturdy enough to be kept for more than a day. Callas are somewhere in the middle. 3 or 5 stems in a tall black cylinder vase look like a complete Halloween flower bouquet with almost no extra work.
Orange and Burgundy Accents
Orange keeps a Halloween arrangement from looking like a funeral piece. Roses, orange ranunculus, and gerberas all look good. Chinese lanterns (Physalis) are a better fit. They have papery orange husks that hang down from the stem and dry out as the flowers fade, lasting for weeks after the fresh flowers are gone.
Consider celosia and hanging amaranthus for burgundy. Crested celosia has a thick head and a ruffled, velvety appearance that photographs well. The long red tassels of hanging amaranthus (sold as Love-Lies-Bleeding flowers) fall over the vase edge. Allow 2 or 3 stems to hang over the edge. It looks a little bit unsettling, which is exactly what you want from Halloween-themed flowers.
Texture: Pods, Berries and Odd Shapes
The texture is more important than the color when you want to create a scary flower bouquet. The petals of the spider mums are long and thin, and they are a bit wild-looking, curling at the tips. Dried lotus pods are sometimes sprayed black and serve to create holes and shadows. Nigella pods are striped and puffed, and scabiosa 'Paper Moon' pods have a papery, geometric surface that lasts for months when dried.
Gaps can be filled with berries, but they do not add bulk. Hypericum is chocolate or near-chocolate colored and typically blooms for about 2 weeks. Seeded eucalyptus lends a gray-green appearance and a refreshing aroma. Spray curly willow branches matte black and push them in at odd angles. With a few bare branches in a small arrangement, it appears taller and slightly more threatening.
Quick Reference: Vase Life and Best Use
Vase life depends on how fresh the stems are when you buy them. The figures below are based on clean water, a fresh diagonal cut, and a room temperature of about 70°F.
| Flower | Color | Typical vase life | Best use |
|---|---|---|---|
| Black Baccara rose | Near-black red | 7 to 10 days | Focal flower |
| Calla ‘Schwarzwalder' | Dark plum | 7 to 14 days | Tall, minimal designs |
| Dahlia ‘Karma Choc’ | Deep maroon | 4 to 6 days | Focal, one-night events |
| Chocolate cosmos | Maroon | 5 to 7 days | Small accents |
| Spider mum | Orange, bronze, white | 14 to 21 days | Texture, filler |
| Crested celosia | Burgundy | 7 to 14 days | Texture |
| Hanging amaranthus | Red | 7 to 10 days | Cascading edges |
| Hypericum berries | Chocolate, black | 10 to 14 days | Filler |
| Chinese lanterns | Orange | Weeks, dries in place | Accent |
If you’re hosting a party on October 31, order dahlias and cosmos up to two days in advance. Roses, callas, mums, and celosia can be set up four or five days ahead and will stay fresh on Halloween night.
How to Keep Halloween Arrangements Fresh in Florida Heat
October still reaches the mid-80s in Miami, so that heat hastens the vase life. Place your setup away from sunny windows, stovetops, and the tops of TVs and fridges (where warm air accumulates). Replace water every 2 days and recut about 1/2 inch off of each stem. Dahlias and cosmos will thrive best from this practice, while roses and mums will be more tolerant.
If you have pets, check what goes in the vase. The ASPCA lists both chrysanthemums and calla lilies as toxic to dogs and cats, and they should be kept off the low table or substituted with roses and celosia.
Living in South Florida? Marisole Flower Studio is happy to design a spooky arrangement and deliver Halloween flowers to Miami, Aventura, Fort Lauderdale and surrounding areas. Please contact our studio to discuss spooky bouquet ideas, and our florists will do the rest.
Conclusion
The ideal scary flowers for Halloween include some near-black centerpiece flowers, a splash of orange or burgundy, and loads of texture. Consider black baccara roses or dark callas as the focal point, and incorporate hanging amaranthus or celosia for movement, with hypericum berries and dried pods filling in the spaces. When purchasing fragile flowers, buy them close to the date, make sure the vase is kept cool, and your arrangement will still have a sharp look when the trick-or-treaters ring the bell.
