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free next day delivery on all gifts

Birthday flowers for Sister

It’s sometimes said that sisters are different flowers from the same garden. For your sister’s birthday, you can rely on us. We have daily deliveries from flower markets, so our floral bouquets last longer – just like your friendship with your sister.

Order in the next 18 hours 28 minutes for delivery tomorrow.
bestseller Flower bouquet Morning Chill

Morning Chill

£22.99 £19.99
Flower bouquet Pleasure Is Mine

Pleasure Is Mine

£21.99 £19.99
Flower bouquet Scented Sunshine

Scented Sunshine

£24.99
Flower bouquet Rose and Carnation

Rose and Carnation

£24.99
Flower bouquet Team GB

Team GB

£39.99
Flower bouquet Hot Blush

Hot Blush

£24.99
Flower bouquet Beautiful Smile

Beautiful Smile

£39.99 £29.99
Flower bouquet Pure Love Gift Bag

Pure Love Gift Bag

£39.99
Flower bouquet Colourburst

Colourburst

£24.99 £19.99
Flower bouquet Perfect Pinks

Perfect Pinks

£29.99 £19.99
Flower bouquet Twilight

Twilight

£24.99 £19.99
Flower bouquet White Roses Gift Wrap

White Roses Gift Wrap

£34.99 £24.99
Flower bouquet Blue Dendrobium

Blue Dendrobium

£26.99 £19.99
Flower bouquet Strawberry Sundae

Strawberry Sundae

£24.99
Flower bouquet Purple Callas and Roses

Purple Callas and Roses

£29.99 £24.99
Flower bouquet Raspberry Ripple

Raspberry Ripple

£34.99 £29.99
Flower bouquet Flirtini

Flirtini

£24.99
Flower bouquet Emily

Emily

£24.99 £19.99
Flower bouquet Aztec Sun

Aztec Sun

£29.99 £19.99
Flower bouquet Tender Embrace

Tender Embrace

£24.99
Flower bouquet Precious Pink

Precious Pink

£19.99
Flower bouquet Neapolitan

Neapolitan

£39.99
Flower bouquet Fall Flora

Fall Flora

£24.99 £19.99
Flower bouquet Spring Time

Spring Time

£24.99
Flower bouquet Lonely Sparrow

Lonely Sparrow

£34.99
Flower bouquet Yellow Roses Cube

Yellow Roses Cube

£34.99
Flower bouquet A Pink Rose in a Vase

A Pink Rose in a Vase

£16.99
Flower bouquet Bella

Bella

£49.99 £39.99
Flower bouquet Perfect Score

Perfect Score

£69.99
Flower bouquet Autumn Fair

Autumn Fair

£24.99 £19.99
Flower bouquet Bright Mokara Orchids

Bright Mokara Orchids

£24.99
Flower bouquet Fairtrade Fireflash Bouquet

Fairtrade Fireflash Bouquet

£29.99
Flower bouquet Fairtrade Pink Mix

Fairtrade Pink Mix

£24.99 £19.99
Flower bouquet Bali Hai

Bali Hai

£26.99 £19.99
Flower bouquet Summer Sunset

Summer Sunset

£24.99
Flower bouquet 30 Mixed Roses

30 Mixed Roses

£34.99
Flower bouquet Bring it On

Bring it On

£24.99
Flower bouquet Someone Special

Someone Special

£49.99
Flower bouquet Memory Lane Wreath

Memory Lane Wreath

£74.99
Flower bouquet Orange Deluxe

Orange Deluxe

£59.99 £49.99

Things our customers say

Bingley
Beautiful fresh flowers which my sister-in-law loved. She's very picky about flowers and would have told me if they hadn't been perfect.
Woolacombe
Lovely flowers, delivered on time with no hassle, to make a happy birthday surprise for my sister! Would recommend this company!
South Croydon
I sent the Happy Birthday bouquet to my sister in law for her 80th birthday. She was thrilled with them. She had two other bouquets and said that Serenata's were the best. In fact she asked me for contact details as she wanted to send some flowers herself. Serenata keep you informed at every stage of the order and even give a time span of one hour on the delivery date. Certainly use them again and would recommend. I have used the company in the past to send flowers to Spain and was always fully satisfied with service and quality.
Maidstone
Always great service from this company. Great selection, good price point and constant updates on progress of delivery. My sister was delighted with the colourful arrangement , which cheered her up no end after her recent accident. Another winner from Serenata.
Gravesend
My daughter-in-law and sister-in-law were very pleased with the flowers i ordered for their birthdays and would recommend Serenata Flowers for all occasions.
Cheadle
I live in the U.S and sent this to my sister who was in hospital in the UK. The delivery was on time and pleasantly happy with my experience.

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