Sienna emails

sienna.co

Sienna sends about 2 emails a week through Klaviyo, most often on Sunday around 5 AM Eastern.

ESP: Klaviyo
Emails a week: about 2
Busiest send time: Sundays at 5am ET
Last sent: 11 days ago · Oct 18
Tracked since: Jun 2026
Emails collected: 37

Recent emails

Browse all 37 emails

Oct 18, 2026 4:45 AM
Endearment
Oct 12, 2026 8:59 AM
Your Next Ritual Awaits 🌿
Oct 11, 2026 8:58 AM
A little something caught your eye? ✨
Oct 11, 2026 4:02 AM
Rare Rose, with Jurlique
Sep 28, 2026 8:33 PM
Your favourites are loved by many 💛
Sep 27, 2026 11:32 PM
Something beautiful?

Recent subject lines

All subject lines

Subject lines average 26 characters. Each one opens the email it came from.

Sent (Eastern)	Subject	Preview text
Oct 18, 2026 4:45 AM	Endearment	A warm ochre, new to Sienna.
Oct 12, 2026 8:59 AM	Your Next Ritual Awaits 🌿	The beauty of self-care, crafted consciously for you.
Oct 11, 2026 8:58 AM	A little something caught your eye? ✨	Discover consciously crafted colour and care
Oct 11, 2026 4:02 AM	Rare Rose, with Jurlique	A limited-edition colour, made with Jurlique.
Sep 28, 2026 8:33 PM	Your favourites are loved by many 💛	Our bestsellers don’t stay on the shelf for long.
Sep 27, 2026 11:32 PM	Something beautiful?	We saved your favourites — they’re waiting when you’re ready.
Sep 27, 2026 5:53 PM	Closing Midday	Last chance to shop rare sitewide sale
Sep 27, 2026 5:30 AM	Time Is Running Out For Your Favourites	Sale ends tomorrow at midday.

All subject lines

When Sienna sends

19% of its emails arrive in the 5 AM hour, with a second, smaller wave around 5 PM. Sundays are the busiest day.

Emails by weekday and hour, US Eastern
	12a	1a	2a	3a	4a	5a	6a	7a	8a	9a	10a	11a	12p	1p	2p	3p	4p	5p	6p	7p	8p	9p	10p	11p
Mon	0	0	1	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	1
Tue	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
Wed	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
Thu	0	0	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0	2	0	0	0	0	0	0
Fri	0	0	0	1	0	0	0	0	0	0	0	1	0	0	0	0	0	0	1	0	0	0	0	0
Sat	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	1	2	2	0	0	0	0	0
Sun	0	0	1	1	2	5	3	0	1	0	1	0	0	0	0	0	0	1	0	0	0	0	0	1

Emails by hour and weekday, US Eastern
	Mon	Tue	Wed	Thu	Fri	Sat	Sun
12a	0	0	0	0	0	0	0
1a	0	0	0	0	0	0	0
2a	1	0	0	0	0	0	1
3a	0	0	0	0	1	0	1
4a	0	0	0	0	0	0	2
5a	0	0	1	1	0	0	5
6a	0	0	0	0	0	1	3
7a	1	0	0	0	0	0	0
8a	1	0	0	0	0	0	1
9a	0	0	0	0	0	0	0
10a	0	0	0	0	0	0	1
11a	0	0	0	0	1	0	0
12p	0	0	0	0	0	0	0
1p	0	0	0	0	0	0	0
2p	0	0	0	1	0	0	0
3p	0	0	0	0	0	0	0
4p	0	0	0	0	0	1	0
5p	0	1	1	2	0	2	1
6p	0	0	0	0	1	2	0
7p	0	0	0	0	0	0	0
8p	1	0	0	0	0	0	0
9p	0	0	0	0	0	0	0
10p	0	0	0	0	0	0	0
11p	1	0	0	0	0	0	1

FewerMore(busiest cell: 5 emails)

Based on 37 emails received from Jun 18 to Oct 18, 2026. Times in US Eastern. How we collect · When all brands send

How often Sienna sends

Complete months have run between 4 and 15 emails.

June 2026: 8 emails
July 2026: 4 emails
August 2026: 6 emails
September 2026: 15 emails
October 2026: 4 emails

Based on 37 emails received from Jun 18 to Oct 18, 2026. Times in US Eastern. How we collect

Busiest month: Sep 2026, 15
Quietest month: Jul 2026, 4
Busiest day: Sunday, 16
Quietest day: Tuesday, 1

About Sienna

ESP: Klaviyo
Tracked since: Jun 2026
Emails collected: 37
Emails a week: about 2
Last sent: Oct 18, 2026
Sends from: hello@sienna.co
Subject length: 26 characters avg

Counts include automated emails such as a welcome series.

Similar sending frequency

Brand	ESP	Website popularity	Emails a week	Busiest day	Last sent
13DE Marzo13demarzo.net	Klaviyo		about 2	Wednesday	Oct 28, 2026	Klaviyo · about 2 a week · busiest Wednesday · last sent Oct 28, 2026
6PM6pmseason.com · Top 100,000 sites	Klaviyo	Top 100,000 sites	about 2	Friday	Oct 23, 2026	Klaviyo · about 2 a week · busiest Friday · last sent Oct 23, 2026
0cm0cm.com	Klaviyo		about 2	Thursday	Oct 27, 2026	Klaviyo · about 2 a week · busiest Thursday · last sent Oct 27, 2026

Report an errorLast updated Oct 30, 2026

Sienna emails

Recent emails

Endearment

Your Next Ritual Awaits 🌿

A little something caught your eye? ✨

Rare Rose, with Jurlique

Your favourites are loved by many 💛

Something beautiful?

Recent subject lines

Archive

September 2026 15 emails

When Sienna sends

How often Sienna sends

About Sienna

Similar sending frequency

Get the Black Friday insights

	12a	1a	2a	3a	4a	5a	6a	7a	8a	9a	10a	11a	12p	1p	2p	3p	4p	5p	6p	7p	8p	9p	10p	11p
Mon	0	0	1	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	1
Tue	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
Wed	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
Thu	0	0	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0	2	0	0	0	0	0	0
Fri	0	0	0	1	0	0	0	0	0	0	0	1	0	0	0	0	0	0	1	0	0	0	0	0
Sat	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	1	2	2	0	0	0	0	0
Sun	0	0	1	1	2	5	3	0	1	0	1	0	0	0	0	0	0	1	0	0	0	0	0	1

	Mon	Tue	Wed	Thu	Fri	Sat	Sun
12a	0	0	0	0	0	0	0
1a	0	0	0	0	0	0	0
2a	1	0	0	0	0	0	1
3a	0	0	0	0	1	0	1
4a	0	0	0	0	0	0	2
5a	0	0	1	1	0	0	5
6a	0	0	0	0	0	1	3
7a	1	0	0	0	0	0	0
8a	1	0	0	0	0	0	1
9a	0	0	0	0	0	0	0
10a	0	0	0	0	0	0	1
11a	0	0	0	0	1	0	0
12p	0	0	0	0	0	0	0
1p	0	0	0	0	0	0	0
2p	0	0	0	1	0	0	0
3p	0	0	0	0	0	0	0
4p	0	0	0	0	0	1	0
5p	0	1	1	2	0	2	1
6p	0	0	0	0	1	2	0
7p	0	0	0	0	0	0	0
8p	1	0	0	0	0	0	0
9p	0	0	0	0	0	0	0
10p	0	0	0	0	0	0	0
11p	1	0	0	0	0	0	1

	12a	1a	2a	3a	4a	5a	6a	7a	8a	9a	10a	11a	12p	1p	2p	3p	4p	5p	6p	7p	8p	9p	10p	11p
Mon	0	0	1	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	1
Tue	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
Wed	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
Thu	0	0	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0	2	0	0	0	0	0	0
Fri	0	0	0	1	0	0	0	0	0	0	0	1	0	0	0	0	0	0	1	0	0	0	0	0
Sat	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	1	2	2	0	0	0	0	0
Sun	0	0	1	1	2	5	3	0	1	0	1	0	0	0	0	0	0	1	0	0	0	0	0	1

	Mon	Tue	Wed	Thu	Fri	Sat	Sun
12a	0	0	0	0	0	0	0
1a	0	0	0	0	0	0	0
2a	1	0	0	0	0	0	1
3a	0	0	0	0	1	0	1
4a	0	0	0	0	0	0	2
5a	0	0	1	1	0	0	5
6a	0	0	0	0	0	1	3
7a	1	0	0	0	0	0	0
8a	1	0	0	0	0	0	1
9a	0	0	0	0	0	0	0
10a	0	0	0	0	0	0	1
11a	0	0	0	0	1	0	0
12p	0	0	0	0	0	0	0
1p	0	0	0	0	0	0	0
2p	0	0	0	1	0	0	0
3p	0	0	0	0	0	0	0
4p	0	0	0	0	0	1	0
5p	0	1	1	2	0	2	1
6p	0	0	0	0	1	2	0
7p	0	0	0	0	0	0	0
8p	1	0	0	0	0	0	0
9p	0	0	0	0	0	0	0
10p	0	0	0	0	0	0	0
11p	1	0	0	0	0	0	1

	12a	1a	2a	3a	4a	5a	6a	7a	8a	9a	10a	11a	12p	1p	2p	3p	4p	5p	6p	7p	8p	9p	10p	11p
Mon	0	0	1	0	0	0	0	1	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	1
Tue	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
Wed	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	0	0	1	0	0	0	0	0	0
Thu	0	0	0	0	0	1	0	0	0	0	0	0	0	0	1	0	0	2	0	0	0	0	0	0
Fri	0	0	0	1	0	0	0	0	0	0	0	1	0	0	0	0	0	0	1	0	0	0	0	0
Sat	0	0	0	0	0	0	1	0	0	0	0	0	0	0	0	0	1	2	2	0	0	0	0	0
Sun	0	0	1	1	2	5	3	0	1	0	1	0	0	0	0	0	0	1	0	0	0	0	0	1

	Mon	Tue	Wed	Thu	Fri	Sat	Sun
12a	0	0	0	0	0	0	0
1a	0	0	0	0	0	0	0
2a	1	0	0	0	0	0	1
3a	0	0	0	0	1	0	1
4a	0	0	0	0	0	0	2
5a	0	0	1	1	0	0	5
6a	0	0	0	0	0	1	3
7a	1	0	0	0	0	0	0
8a	1	0	0	0	0	0	1
9a	0	0	0	0	0	0	0
10a	0	0	0	0	0	0	1
11a	0	0	0	0	1	0	0
12p	0	0	0	0	0	0	0
1p	0	0	0	0	0	0	0
2p	0	0	0	1	0	0	0
3p	0	0	0	0	0	0	0
4p	0	0	0	0	0	1	0
5p	0	1	1	2	0	2	1
6p	0	0	0	0	1	2	0
7p	0	0	0	0	0	0	0
8p	1	0	0	0	0	0	0
9p	0	0	0	0	0	0	0
10p	0	0	0	0	0	0	0
11p	1	0	0	0	0	0	1