General Information

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  • February
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  • October

  February 1. Sow Seeds To start by seed outdoors requires pre-chilling. Refrigerate for 3 weeks prior to sowing. Barely cover with soil and keep moist.

  March 1. Buy Container grown Swamp Milkweed becomes available when garden center perennial stock appears. 2. Plant Swamp milkweed can be planted in early spring when a light frost is expected, and then through spring to early summer. 3. Sow Seeds To start by seed outdoors requires pre-chilling. Refrigerate for 3 weeks prior to sowing. Barely cover with soil and keep moist.

  April 1. Buy Container grown Swamp Milkweed becomes available when garden center perennial stock appears. 2. Plant Swamp milkweed can be planted in early spring when a light frost is expected, and then through spring to early summer. 3. Sow Seeds To start by seed outdoors requires pre-chilling. Refrigerate for 3 weeks prior to sowing. Barely cover with soil and keep moist. 4. Prune For bushier plants, pinch plant tips. This technique can be used to keep plants shorter and more manageable. Note that pinching more than once can delay bloom.

  May 1. Buy Container grown Swamp Milkweed becomes available when garden center perennial stock appears. 2. Plant Swamp milkweed can still be planted in late spring and then through early summer. Take care to water regularly until plant is established. 3. Fertilize Swamp milkweed requires little fertilizer, if any. When grown in beds with other perennials, some fertilizer will not harm the plant. 4. Water Water well until established. Established plants can withstand dry spells, but the plant will do best with moist to wet soils. 5. Prune For bushier plants, pinch plant tips. This technique can be used to keep plants shorter and more manageable. Note that pinching more than once can delay bloom.

  June 1. Buy Container grown Swamp Milkweed becomes available when garden center perennial stock appears. 2. Plant Swamp milkweed can still be planted in late spring and then through early summer. Take care to water regularly until plant is established. 3. Fertilize Swamp milkweed requires little fertilizer, if any. When grown in beds with other perennials, some fertilizer will not harm the plant. 4. Water Water well until established. Established plants can withstand dry spells, but the plant will do best with moist to wet soils. 5. Mulch Mulch during these months to help to conserve soil moisture that swamp milkweed prefers. 6. Pest/Disease Inspection Watch out for aphids. Otherwise swamp milkweed is relatively pest-free.

  July 1. Fertilize Swamp milkweed requires little fertilizer, if any. When grown in beds with other perennials, some fertilizer will not harm the plant. 2. Water Provide adequate water through hot weather. 3. Mulch Mulch during these months to help to conserve soil moisture that swamp milkweed prefers. 4. Pest/Disease Inspection Watch out for aphids. Otherwise swamp milkweed is relatively pest-free. 5. Treat for Pest/Disease Direct a strong hose spray towards aphids. You may want to use soapy water or horticultural soap if problem persists. 6. Propagate Division is not recommended due to delicate tap root. Root cuttings can be made, but propagation by seed is preferable.

  August 1. Water Provide adequate water through hot weather. 2. Mulch Mulch during these months to help to conserve soil moisture that swamp milkweed prefers. 3. Pest/Disease Inspection Watch out for aphids. Otherwise swamp milkweed is relatively pest-free. 4. Treat for Pest/Disease Direct a strong hose spray towards aphids. You may want to use soapy water or horticultural soap if problem persists. 5. Transplant Transplanting is not recommended due to the delicate tap root. 6. Propagate Division is not recommended due to delicate tap root. Root cuttings can be made, but propagation by seed is preferable. 7. Special requirements Swamp milkweed can proliferate by wind-blown seeds, remove seed heads to avoid re-seeding problems.

  September 1. Plant Swamp milkweed can be planted in early autumn before freezing temperatures. Take care to water regularly until ground freezes. 2. Sow Seeds Sow seeds outdoors before first frost. Barley cover with soil and keep moist until ground freezes. Swamp milkweed is slow to appear in spring, for this reason, mark the place well. Be patient and keep soil moist through germination and seedling growth. 3. Transplant Transplanting is not recommended due to the delicate tap root. 4. Propagate Division is not recommended due to delicate tap root. Root cuttings can be made, but propagation by seed is preferable. 5. Special requirements Swamp milkweed can proliferate by wind-blown seeds, remove seed heads to avoid re-seeding problems.

  October 1. Plant Swamp milkweed can be planted in early autumn before freezing temperatures. Take care to water regularly until ground freezes. 2. Sow Seeds Sow seeds outdoors before first frost. Barley cover with soil and keep moist until ground freezes. Swamp milkweed is slow to appear in spring, for this reason, mark the place well. Be patient and keep soil moist through germination and seedling growth. 3. Special requirements Swamp milkweed can proliferate by wind-blown seeds, remove seed heads to avoid re-seeding problems.

• Buy When's the best time to buy this plant? When can you buy these from seed (if you can)? When is it usually available? What are things to look for when you're buying it? Or anything other tidbit of information you can share! March Container grown Swamp Milkweed becomes available when garden center perennial stock appears. April Container grown Swamp Milkweed becomes available when garden center perennial stock appears. May Container grown Swamp Milkweed becomes available when garden center perennial stock appears. June Container grown Swamp Milkweed becomes available when garden center perennial stock appears.

  Plant When's a good time to plant this plant or bulb? Any special planting instructions? March Swamp milkweed can be planted in early spring when a light frost is expected, and then through spring to early summer. April Swamp milkweed can be planted in early spring when a light frost is expected, and then through spring to early summer. May Swamp milkweed can still be planted in late spring and then through early summer. Take care to water regularly until plant is established. June Swamp milkweed can still be planted in late spring and then through early summer. Take care to water regularly until plant is established. September Swamp milkweed can be planted in early autumn before freezing temperatures. Take care to water regularly until ground freezes. October Swamp milkweed can be planted in early autumn before freezing temperatures. Take care to water regularly until ground freezes.

  Sow Seeds When can you plant these seeds? When's the best time? Can you start them indoors and move them out? Do they have any special requirements? February To start by seed outdoors requires pre-chilling. Refrigerate for 3 weeks prior to sowing. Barely cover with soil and keep moist. March To start by seed outdoors requires pre-chilling. Refrigerate for 3 weeks prior to sowing. Barely cover with soil and keep moist. April To start by seed outdoors requires pre-chilling. Refrigerate for 3 weeks prior to sowing. Barely cover with soil and keep moist. September Sow seeds outdoors before first frost. Barley cover with soil and keep moist until ground freezes. Swamp milkweed is slow to appear in spring, for this reason, mark the place well. Be patient and keep soil moist through germination and seedling growth. October Sow seeds outdoors before first frost. Barley cover with soil and keep moist until ground freezes. Swamp milkweed is slow to appear in spring, for this reason, mark the place well. Be patient and keep soil moist through germination and seedling growth.

  Fertilize When should you fertilize this plant? Which kind of fertilizer do you recommend? Should you use different fertilizers at different times of year? May Swamp milkweed requires little fertilizer, if any. When grown in beds with other perennials, some fertilizer will not harm the plant. June Swamp milkweed requires little fertilizer, if any. When grown in beds with other perennials, some fertilizer will not harm the plant. July Swamp milkweed requires little fertilizer, if any. When grown in beds with other perennials, some fertilizer will not harm the plant.

  Water Is there a time to reduce or increase watering? Any special requirements? Things to avoid during certain times of the year? May Water well until established. Established plants can withstand dry spells, but the plant will do best with moist to wet soils. June Water well until established. Established plants can withstand dry spells, but the plant will do best with moist to wet soils. July Provide adequate water through hot weather. August Provide adequate water through hot weather.

  Prune When's a good time to prune this plant? How about deadheading, pinching back, trimming or any other grooming? Any special requirements? April For bushier plants, pinch plant tips. This technique can be used to keep plants shorter and more manageable. Note that pinching more than once can delay bloom. May For bushier plants, pinch plant tips. This technique can be used to keep plants shorter and more manageable. Note that pinching more than once can delay bloom.

  Mulch Does this plant need to be mulched? Are there specific types of Mulch which are better for this plant? How much? June Mulch during these months to help to conserve soil moisture that swamp milkweed prefers. July Mulch during these months to help to conserve soil moisture that swamp milkweed prefers. August Mulch during these months to help to conserve soil moisture that swamp milkweed prefers.

  Pest/Disease Inspection What are the common problems this plant will face and when should you look for them to appear? June Watch out for aphids. Otherwise swamp milkweed is relatively pest-free. July Watch out for aphids. Otherwise swamp milkweed is relatively pest-free. August Watch out for aphids. Otherwise swamp milkweed is relatively pest-free.

  Treat for Pest/Disease How do you treat the common problems for this plant? What products or concoctions or natural means do you use? Any special requirements? July Direct a strong hose spray towards aphids. You may want to use soapy water or horticultural soap if problem persists. August Direct a strong hose spray towards aphids. You may want to use soapy water or horticultural soap if problem persists.

  Transplant When's the best time to dig up and transplant this from one spot to another? (This is different than planting). Any special requirements? August Transplanting is not recommended due to the delicate tap root. September Transplanting is not recommended due to the delicate tap root.

  Propagate When's a good time to divide, take cuttings, layer or propagate this plant. Any special requirements? July Division is not recommended due to delicate tap root. Root cuttings can be made, but propagation by seed is preferable. August Division is not recommended due to delicate tap root. Root cuttings can be made, but propagation by seed is preferable. September Division is not recommended due to delicate tap root. Root cuttings can be made, but propagation by seed is preferable.

  Special requirements Any other requirement for this plant? Is there anything that doesn't fit into the other care categories? August Swamp milkweed can proliferate by wind-blown seeds, remove seed heads to avoid re-seeding problems. September Swamp milkweed can proliferate by wind-blown seeds, remove seed heads to avoid re-seeding problems. October Swamp milkweed can proliferate by wind-blown seeds, remove seed heads to avoid re-seeding problems.