Opportunities From: Open Space STL

-Volunteers of all ages are welcome
-Children under 13 must be accompanied by an adult
-Volunteers 18 and under may not handle herbicides
-A signed OSC Liability Waiver is required prior to participation.

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 13 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

We’re excited to invite you to this opportunity to help beautify Greensfelder Park. Together, we’ll be clearing invasive honeysuckle from the woods near the Mustang Shelter and trail. This effort will not only enhance the scenic views from this popular spot but also help native species thrive.

WHERE: Greensfelder Park - Mustang Shelter on Allenton Road. Exact location here.

WHEN: Wednesday, Feb 1 from 9am to 12pm. Volunteer check-in will begin at 8:45am. 

WHAT TO WEAR:

Clothes that you don't mind getting dirty, we recommend long pants and sleeves, as well as closed toe shoes.

Sturdy shoes or boots

Dress for the weather!

WHAT TO BRING: 

A filled bottle of water - we recommend reusable!

Tools will be provided, but if you prefer your own, you are welcome to bring them. Electric Chain saws are ideal for cutting the larger bushes

Bug/tick spray, and some will be provided (may not be necessary depending on the weather)

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 16 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

WHAT: On Saturday, January 17, 2026, we continue restoration work with our enthusiastic group and any newcomers to make this a destination for gatherings, small concerts and relaxed personal reflection. The beautiful natural spring, patio and planting areas are just waiting for some tender care.

WHERE: Jefferson Barracks Park, Sylvan Springs Beverage Garden and Amphitheater. Exact location here. Parking is available here.

 WHEN: Saturday, January 17, from 9am to 11pm. Volunteer check-in will begin at 8:45am. 

WHAT TO WEAR:

Clothes that you don't mind getting dirty, we recommend long pants and sleeves, as well as closed toe shoes.

Sturdy shoes or boots

Dress for the weather!

WHAT TO BRING: 

A filled bottle of water - we recommend reusable!

Tools will be provided, but if you prefer your own, you are welcome to bring them

Sunscreen

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 13 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

WHAT: Come join Open Space STL and its community of volunteers as we support Castlewood State Park staff in the removal of invasive Bush honeysuckle from woodlands within the park.

This volunteer efforts is part of OS-STL's Operation Wild Lands program (OWLs), which seeks to aid in the proactive management of public open space, improving wildlife habitat and nature-related outdoor recreation opportunities across the St. Louis region. 

WHEN: 9:00am, Saturday, October 1st. Volunteer check-in will begin at 8:45am. 

WHERE: Castlewood State Park, 1401 Kiefer Creek Rd, Ballwin, MO 63021. Volunteers will meet at Shelter 1, near the playground/picnic area and across from The River Scene Trail. Exact meeting location here. 

WHAT TO WEAR:

WHAT TO BRING:

REGISTRATION NOTES:

WHAT: Come join Open Space STL and its community of volunteers as we support Castlewood State Park staff in the removal of invasive Bush honeysuckle from woodlands within the park.

This volunteer efforts is part of OS-STL's Operation Wild Lands program (OWLs), which seeks to aid in the proactive management of public open space, improving wildlife habitat and nature-related outdoor recreation opportunities across the St. Louis region. 

WHEN: 9:00am, Saturday, April 4th. Volunteer check-in will begin at 8:45am. 

WHERE: Castlewood State Park, 1401 Kiefer Creek Rd, Ballwin, MO 63021. Volunteers will meet at Shelter 1, near the playground/picnic area and across from The River Scene Trail. Exact meeting location here. 

WHAT TO WEAR:

WHAT TO BRING:

REGISTRATION NOTES:

WHAT: Come join Open Space STL and its community of volunteers as we support Castlewood State Park staff in the removal of invasive Bush honeysuckle from woodlands within the park.

This volunteer efforts is part of OS-STL's Operation Wild Lands program (OWLs), which seeks to aid in the proactive management of public open space, improving wildlife habitat and nature-related outdoor recreation opportunities across the St. Louis region. 

WHEN: 9:00am, Saturday, April 18th. Volunteer check-in will begin at 8:45am. 

WHERE: Castlewood State Park, 1401 Kiefer Creek Rd, Ballwin, MO 63021. Volunteers will meet at Shelter 1, near the playground/picnic area and across from The River Scene Trail. Exact meeting location here. 

WHAT TO WEAR:

WHAT TO BRING:

REGISTRATION NOTES:

WHAT: Come join Open Space STL and its community of volunteers as we support Castlewood State Park staff in the removal of invasive Bush honeysuckle from woodlands within the park.

This volunteer efforts is part of OS-STL's Operation Wild Lands program (OWLs), which seeks to aid in the proactive management of public open space, improving wildlife habitat and nature-related outdoor recreation opportunities across the St. Louis region. 

WHEN: 9:00am, Saturday, April 30th. Volunteer check-in will begin at 8:45am. 

WHERE: Castlewood State Park, 1401 Kiefer Creek Rd, Ballwin, MO 63021. Volunteers will meet at Shelter 1, near the playground/picnic area and across from The River Scene Trail. Exact meeting location here. 

WHAT TO WEAR:

WHAT TO BRING:

REGISTRATION NOTES:

WHAT:  The field just north of the South Parking has been the location of several prior tree-planting events. However, the trees are becoming choked with vines and Johnson grass that we need to clear out for the park's benefit. These trees will appreciate the attention as will the wildlife who benefit from their acorns and fruit.

WHERE: Little Creve Coeur Ecological Area 152 River Valley Drive, Chesterfield, MO 63017 Exact location here.  We will assemble at the South Parking lot.

 WHEN: Saturday, May 16, 2026. 9am - 12 noon. Volunteer check-in will begin at 15 min before event. 

WHAT TO WEAR:

Clothes that you don't mind getting dirty, we recommend long pants and sleeves, as well as closed toe shoes.

Sturdy shoes or boots

Dress for the weather!

WHAT TO BRING: 

A filled bottle of water - we recommend reusable!

Hand tools will be provided. If you prefer your own power tools, you are welcome to bring them

Sunscreen

Porta potties are expected at the South Parking. Water for drinking and hand washing will be available

Herbicide use is optional; PPE is not optional for volunteers using herbicide.

Bring a friend. If time and interest we can meet afterward at the Lakehouse Grill

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 13 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

In the event of severe weather, this event will be canceled. Volunteers will be notified via email and are encouraged to check our Facebook page (Open Space STL) for updates

WHAT:  The north end of Unit 3 (called Wet Woodland even though it has been dry for years) is becoming choked with bush honeysuckle, and it's up to us to clear it out. The white oaks, large cottonwoods and sycamore will appreciate the attention, as will the wildlife.

WHERE: Little Creve Coeur Ecological Area 152 River Valley Drive, Chesterfield, MO 63017 Exact location here. 

We will meet at the pavilion 1/4 mile north of the parking area, drive through the gate, and park at the pavilion.

 WHEN: Saturday, March 28, 2026. 9am - 12 noon. Volunteer check-in will begin at 15 min before event. 

WHAT TO WEAR:

Clothes that you don't mind getting dirty, we recommend long pants and sleeves, as well as closed toe shoes.

Sturdy shoes or boots

Dress for the weather!

WHAT TO BRING: 

A filled bottle of water - we recommend reusable!

Hand tools will be provided. If you prefer your own power tools, you are welcome to bring them

Sunscreen

Porta potties were present at the South Parking in December. Water for hand washing will be available

Herbicide use is encouraged but is optional; PPE is not optional for volunteers handling herbicide

Bring a friend. If time and interest we can meet afterward at the Lakehouse Grill

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 13 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

In the event of severe weather, this event will be canceled. Volunteers will be notified via email and are encouraged to check our Facebook page (Open Space STL) for updates

WHAT:  The north end of Unit 8 (part of Old Trees Area) is becoming choked with bush honeysuckle. But the white oaks, large cottonwoods and sycamore will appreciate the attention, as will the wildlife.

WHERE: Little Creve Coeur Ecological Area 152 River Valley Drive, Chesterfield, MO 63017 Exact location here. 

We will assemble in the parking lot and then carpool to the work area near Highway 141.

 WHEN: Saturday, March 14, 2026. 9am - 12 noon. Volunteer check-in will begin at 15 min before event. 

WHAT TO WEAR:

Clothes that you don't mind getting dirty, we recommend long pants and sleeves, as well as closed toe shoes.

Sturdy shoes or boots

Dress for the weather!

WHAT TO BRING: 

A filled bottle of water - we recommend reusable!

Hand tools will be provided. If you prefer your own power tools, you are welcome to bring them

Sunscreen

Porta potties were present at the South Parking in December. Water for hand washing will be available

Herbicide use is encouraged but is optional; PPE is not optional for volunteers handling herbicide.

Bring a friend. If time and interest we can meet afterward at the Lakehouse Grill

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 13 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

In the event of severe weather, this event will be canceled. Volunteers will be notified via email and are encouraged to check our Facebook page (Open Space STL) for updates

WHAT:  The west side of Skunk Prairie has an emerging savanna of oaks, at least if we can clear the invasive vines away. The area has been recently mowed but removing invasives / aggressive vines like porcelain berry, grape, and euonymus will require hand work. The swamp white oaks will appreciate the attention with continued growth and maybe a mast of acorns for wildlife.

WHERE: Little Creve Coeur Ecological Area 152 River Valley Drive, Chesterfield, MO 63017 Exact location here. 

From the South Parking, proceed through the gate north about 1/4 mile to the pavilion, we'll meet there.

 WHEN: SUNDAY, Feb 22, 2026. 9am - 12 noon. Volunteer check-in will begin at 15 min before event. 

WHAT TO WEAR:

Clothes that you don't mind getting dirty, we recommend long pants and sleeves, as well as closed toe shoes.

Sturdy shoes or boots

Dress for the weather!

WHAT TO BRING: 

A filled bottle of water - we recommend reusable!

Hand tools will be provided. If you prefer your own power tools, you are welcome to bring them

Sunscreen

Porta potties may not be available on site. Water for hand washing will be available

Herbicide will be provided but is optional; PPE is not optional for those using herbicide.

Bring a friend. If time and interest we can meet afterward at the Lakehouse Grill

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 13 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

In the event of severe weather, this event will be canceled. Volunteers will be notified via email and are encouraged to check our Facebook page (Open Space STL) for updates

WHAT: 

Take a moment out of your busy schedule and join the Community Stewardship Alliance to remove invasive honeysuckle and winter creeper from the St. Vincent Park woodlands.

WHERE:

St. Vincent Park, 7335 St Charles Rock Rd, St. Louis, MO 63121. Volunteers will meet in the parking lot downhill from the pool.

https://maps.app.goo.gl/U9K3K2eNRXthg3u98

 WHEN: 

9:00 am - 12:00 pm, Saturday, June 6. Volunteer check-in will begin at 8:45 am.  

WHAT TO WEAR:

Clothes, we recommend long pants and sleeves

Sturdy shoes or boots

Dress for the weather!

Sunscreen 

WHAT TO BRING: 

A filled bottle of water - we recommend reusable!

Tools will be provided, but if you prefer your own, you are welcome to bring them

Sunscreen

Bug/tick spray, and some will be provided

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 13 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

In the event of severe weather, this event will be canceled. Volunteers will be notified via email and are encouraged to check our Facebook page (Open Space STL) for updates.

WHAT: 

Take a moment out of your busy schedule and join the Community Stewardship Alliance to remove invasive honeysuckle and winter creeper from the St. Vincent Park woodlands.

WHERE:

St. Vincent Park, 7335 St Charles Rock Rd, St. Louis, MO 63121. Volunteers will meet in the parking lot downhill from the pool.

https://maps.app.goo.gl/U9K3K2eNRXthg3u98

 WHEN: 

9:00 am - 12:00 pm, Saturday, May 2. Volunteer check-in will begin at 8:45 am.  

WHAT TO WEAR:

Clothes, we recommend long pants and sleeves

Sturdy shoes or boots

Dress for the weather!

Sunscreen 

WHAT TO BRING: 

A filled bottle of water - we recommend reusable!

Tools will be provided, but if you prefer your own, you are welcome to bring them

Sunscreen

Bug/tick spray, and some will be provided

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 13 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

In the event of severe weather, this event will be canceled. Volunteers will be notified via email and are encouraged to check our Facebook page (Open Space STL) for updates.

WHAT: 

Take a moment out of your busy schedule and join the Community Stewardship Alliance to remove invasive honeysuckle and winter creeper from the St. Vincent Park woodlands.

WHERE:

St. Vincent Park, 7335 St Charles Rock Rd, St. Louis, MO 63121. Volunteers will meet in the parking lot downhill from the pool.

https://maps.app.goo.gl/U9K3K2eNRXthg3u98

 WHEN: 

9:00 am - 12:00 pm, Saturday, April 4. Volunteer check-in will begin at 8:45 am.  

WHAT TO WEAR:

Clothes, we recommend long pants and sleeves

Sturdy shoes or boots

Dress for the weather!

Sunscreen 

WHAT TO BRING: 

A filled bottle of water - we recommend reusable!

Tools will be provided, but if you prefer your own, you are welcome to bring them

Sunscreen

Bug/tick spray, and some will be provided

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 13 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

In the event of severe weather, this event will be canceled. Volunteers will be notified via email and are encouraged to check our Facebook page (Open Space STL) for updates.

WHAT: 

Take a moment out of your busy schedule and join the Community Stewardship Alliance to remove invasive honeysuckle and winter creeper from the St. Vincent Park woodlands.

WHERE:

St. Vincent Park, 7335 St Charles Rock Rd, St. Louis, MO 63121. Volunteers will meet in the parking lot downhill from the pool.

https://maps.app.goo.gl/U9K3K2eNRXthg3u98

 WHEN: 

9:00 am - 12:00 pm, Saturday, March 7. Volunteer check-in will begin at 8:45 am.  

WHAT TO WEAR:

Clothes, we recommend long pants and sleeves

Sturdy shoes or boots

Dress for the weather!

Sunscreen 

WHAT TO BRING: 

A filled bottle of water - we recommend reusable!

Tools will be provided, but if you prefer your own, you are welcome to bring them

Sunscreen

Bug/tick spray, and some will be provided

Registration notes:

Pre-registration is encouraged in case of event rescheduling or cancellation

This volunteer opportunity is open to all ages. Children under 13 may volunteer only if accompanied by a parent or guardian and those 18 or under may not participate in herbicide application.

The annual OSC liability waiver must be signed and approved before a volunteer can register for this opportunity. To see if you have met this qualification, please view your profile here.

In the event of severe weather, this event will be canceled. Volunteers will be notified via email and are encouraged to check our Facebook page (Open Space STL) for updates.