# tower mustards (*Turritis*)

Tower mustards are bright yellow flowers that grow tall and proud! They are often found in fields and gardens, bringing color to the landscape.

- **Category:** [Plants](https://www.snappit.app/explore/categories/plant)
- **Rarity:** Common
- **Danger:** 1/5 · Very low
- **Snaps:** 3
- **Habitat:** Fields and gardens

![tower mustards](https://commons.wikimedia.org/w/index.php?title=Special:Redirect/file/Brassicaceae_spp_Sturm16.jpg&width=800)

Photo: Johann Georg Sturm (Painter: Jacob Sturm ), Public domain · [Wikimedia Commons](https://commons.wikimedia.org/wiki/File:Brassicaceae_spp_Sturm16.jpg)

## Appearance

The tower mustards has a distinctive tall, slender stem that can reach over a meter, often with a purplish tint near the base. It features a basal rosette of hairy leaves, with smaller, clasping stem leaves, and small, pale yellow to whitish four-petaled flowers arranged in an elongating cluster at the top.

## Taxonomy

- **Kingdom:** Plantae
- **Phylum:** Tracheophyta
- **Class:** Magnoliopsida
- **Order:** Brassicales
- **Family:** Brassicaceae
- **Genus:** Turritis

## Interesting facts

- Early European settlers in North America likely brought this plant with them!
- Its seed pods look like tiny green swords hanging off the main stem!
- The 'tower' in its name describes how it grows a single, tall, unbranched stem!
- You can sometimes find its leaves covered in tiny hairs, making them feel fuzzy!

## Special abilities

- **Sturdy Stalker:** Tower mustards can grow remarkably tall and straight, helping its flowers and seeds reach sunlight and disperse widely from a greater height.
- **Winter Warrior:** It forms a flat rosette of leaves in its first year, storing energy to survive winter before sending up a tall flowering stalk.
- **Seed Flinger:** Its long, slender seed pods mature and split open with a twist, flinging tiny seeds away to find new places to grow.

## Measurements & details

- **Height:** 30-120 cm
- **Flower Size:** 0.3-0.7 cm
- **Bloom Season:** Late spring to mid-summer
- **Edible:** Yes
- **Toxicity:** None
- **Lifecycle:** Biennial
- **Pollination Method:** Insect

## Ecological connections

- **Pollinates:** European Honey Bee (*Apis mellifera*) — Bees visit its flowers for nectar
- **Eaten by:** Cabbage White Butterfly (*Pieris rapae*) — Larvae munch on its leaves
- **Eaten by:** [Eastern Cottontail](https://www.snappit.app/explore/eastern-cottontail) (*Sylvilagus floridanus*) — Rabbits may graze on the foliage

## Traits

- [Flowering](https://www.snappit.app/explore/traits/flowering): Flowering plants are any plants that produce flowers as part of their reproductive cycle.
- [Biennial](https://www.snappit.app/explore/traits/biennial): Biennial plants complete their life cycle over two growing seasons, typically forming foliage in the first year and flowering/seeding in the second.
- [Spring Blooming](https://www.snappit.app/explore/traits/spring-blooming): Spring blooming plants produce their flowers during the spring season, often signifying the end of winter and the start of new growth.
- [Summer Blooming](https://www.snappit.app/explore/traits/summer-blooming): Summer blooming plants produce their flowers during the summer season, often providing vibrant color when many other plants have finished.
- [Colorful](https://www.snappit.app/explore/traits/colorful): Colorful describes organisms or objects displaying a wide range of bright and distinct colors.
- [Edible](https://www.snappit.app/explore/traits/edible): Edible plants are those parts of a plant that are considered safe for human consumption.
- [Grassland](https://www.snappit.app/explore/traits/grassland): Grassland habitats are terrestrial biomes dominated by grasses and herbaceous plants, supporting a variety of grazing animals.
- [Pollinator Magnet](https://www.snappit.app/explore/traits/pollinator-magnet): Describes plants that are particularly attractive and beneficial to a wide range of pollinating organisms.

## Collections

- [Plants](https://www.snappit.app/explore/collections/plants)

## Safety

**Danger:** 1/5 · Very low

Always check with an adult before touching or picking any plants.

## Frequently Asked Questions

### How to identify tower mustards?

Start with the whole plant, then compare leaf arrangement, leaf edges, stems and any flowers or fruit. Opposite leaves grow in pairs; alternate leaves come one at a time along the stem. These details tell you far more together than a single green leaf does. Plant Identifier: upload a photo and compare the visible details.

### How tall is tower mustards?

30-120 cm

### How big are the flowers on tower mustards?

0.3-0.7 cm

### When does tower mustards bloom?

Late spring to mid-summer

### Is tower mustards edible?

Yes

### Is tower mustards toxic?

None

### What is tower mustards's lifecycle?

Biennial

### How is tower mustards pollinated?

Insect

## Where to spot

- [Bear Swamp](https://www.snappit.app/guides/places/bear-swamp) — Massachusetts, US · Nature Reserve
- [Cambridge Historic District](https://www.snappit.app/guides/places/cambridge-historic-district) — New York, US · Historic District
- [Sabine Channel Provincial Park](https://www.snappit.app/guides/places/sabine-channel-provincial-park) — British Columbia, CA · State Park
- [Franklin Falls Historic District](https://www.snappit.app/guides/places/franklin-falls-historic-district) — New Hampshire, US · Historic District

[View all places to see tower mustards](https://www.snappit.app/guides/where-to-see/tower-mustards)

## More Plants

- [white snakeroot](https://www.snappit.app/explore/white-snakeroot) (*Ageratina altissima*)
- [tree-of-heaven](https://www.snappit.app/explore/tree-of-heaven) (*Ailanthus altissima*)
- [western sword fern](https://www.snappit.app/explore/western-sword-fern) (*Polystichum munitum*)
- [common milkweed](https://www.snappit.app/explore/common-milkweed) (*Asclepias syriaca*)

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Source: [Tower Mustards: Facts & Places to See — Snappit](https://www.snappit.app/explore/tower-mustards)
